LEGO vs Makeblock vs VEX: Which Robotics Kit Is Right for Your Kid

LEGO Mindstorms was discontinued in 2022. If you’ve been out of the robotics-for-kids market for a few years and are now trying to figure out what your 10-year-old should build with, the landscape has shifted.

LEGO still makes robotics products — the SPIKE Prime and the Mindstorms 51515 (Robot Inventor). Makeblock’s mBot line has become the most accessible physical-computing entry point for ages 8–12. VEX has expanded from its competition-robotics roots into school-age kits. Sphero makes programmable ball robots. And a range of Arduino/Raspberry Pi-based projects have moved into this space as well.

The problem with most kit comparisons is that they list features and prices without asking what the child is actually trying to build or learn. The right kit for a 9-year-old who wants to make something move is not the right kit for a 13-year-old who wants to compete in robotics tournaments. They’re not buying the same category of product.

What Each Kit Is Actually Optimized For

Makeblock mBot2 (~$150) is optimized for accessibility and quick success. The robot comes partially assembled, uses Scratch-based visual blocks (and supports Python for older learners), and produces visible results fast — the robot moves, responds to obstacles, changes lights. It’s designed to get an 8–12-year-old engaged and coding within a single session. The build is intentionally simple.

LEGO Education SPIKE Prime (~$360–$400) is optimized for structured learning progression. LEGO’s educational products are backed by curriculum designed for classroom use, with projects that sequentially build on each other. The SPIKE Prime uses LEGO Technic mechanics (gears, beams, axles) alongside electronic components (motors, color sensors, distance sensors, gyroscopes). It supports Scratch-like blocks and Python. It’s what many elementary and middle schools use for their robotics programs.

LEGO Mindstorms 51515 (Robot Inventor, ~$350+) is the consumer-retail sibling to SPIKE Prime — similar components, LEGO’s traditional brick aesthetic, designed for home use. It builds five different robot configurations and programs in Python. LEGO has signaled it’s focused on SPIKE Prime for education; the 51515 still exists but is less the company’s primary focus.

VEX IQ (~$250–$400 for starter kit) is optimized for engineering challenge and competition-level rigor. VEX IQ is the platform used for the VEX IQ Challenge, a nationally recognized robotics competition for middle schoolers. The snap-together plastic parts have more engineering complexity than LEGO’s constrained build system; the robot designs are open-ended rather than following a preset configuration. VEX IQ supports visual block coding and Python.

Sphero BOLT (~$150–$180) is optimized for accessibility and coding education, not mechanical building. The BOLT is a spherical robot with an LED matrix; you program it to move, change colors, and respond to sensors. There’s no physical build — the robot comes assembled. It supports Scratch blocks and JavaScript. It’s the right entry point for coding focus without mechanical assembly; it’s not the right choice if the child wants to build something.

Arduino starter kits (~$40–$80) and Raspberry Pi projects are optimized for open-ended engineering with maximum flexibility and maximum difficulty. These aren’t beginner robotics kits — they’re components requiring the child to design, wire, and program systems with adult guidance. The ceiling is essentially unlimited. The floor requires significantly more technical background than any of the kits above.

Age-Appropriate Entry Points

Age range	Recommended starting point	Why
6–8 years	Wonder Workshop Dash ($150), LEGO Boost ($180)	Simple, snap-together, icon-based coding; designed for this age specifically
8–10 years	Makeblock mBot2 (~$150)	Accessible build, real coding, quick success — designed for this transition
10–12 years	LEGO SPIKE Prime or mBot2	Both appropriate; SPIKE Prime for more mechanical depth, mBot2 for coding focus
11–14 years	VEX IQ, LEGO SPIKE Prime, or LEGO 51515	More engineering depth; VEX IQ for competition track
13+ years	VEX IQ, Arduino, Raspberry Pi	Open-ended engineering; appropriate for motivated, tech-comfortable teens

Full Comparison

Dimension	Makeblock mBot2	LEGO SPIKE Prime	VEX IQ (Starter)	Sphero BOLT
Price (approx.)	~$150	~$360–$400	~$250–$400	~$150–$180
Ages (recommended)	8–12	10–14	11–14	8–12
Physical build required	Minimal (partially pre-assembled)	Yes — LEGO Technic-style	Yes — snap-together plastic beams	None
Build complexity	Low	Moderate	High	N/A
Programming languages	Scratch blocks, Python	Scratch blocks, Python	VEX Blocks, Python	Scratch blocks, JavaScript
Sensors included	Distance, light, color, gyro	Color, distance, gyro, force	Color, distance, gyro	Gyro, light, color
Competition track	No	School/light competition	Yes — VEX IQ Challenge	No
Curriculum/lesson plans	Yes (basic)	Extensive (education-focused)	Yes (competition-oriented)	Yes (Sphero Edu)
School adoption	Moderate	High	High (competitions)	High
Best for coding-first learner	Yes — fastest to running code	Moderate	Moderate	Best (no build)
Best for build-first learner	Partial	Yes	Best	No
Parent setup difficulty	Low	Moderate	Moderate	Very low

What to Actually Buy Based on Your Goal

Goal: Get my 8–10-year-old excited about coding, quickly. Makeblock mBot2. It gets to a moving, responding robot within an hour of unboxing. The Scratch-compatible interface means a child who’s done any block coding can start programming it immediately. Price is reasonable, and it has enough depth (Python support, expandable sensors) to stay interesting for 1–2 years.

Goal: Serious school-aligned robotics program at home. LEGO SPIKE Prime. It’s what many schools use, meaning your child’s at-home experience directly reinforces what they may encounter in class. LEGO’s curriculum is the best-developed of any consumer kit. The mechanical depth (gears, pulleys, differential steering) is genuinely educational in ways that simpler kits aren’t.

Goal: Preparing for competitions. VEX IQ. It’s the platform used for middle school robotics competitions, and if your child is heading toward a school robotics club, club or competition experience, VEX IQ is the standard. The open-ended design system means children are designing robots from scratch, not following preset builds.

Goal: Coding without the mechanical complexity. Sphero BOLT. If your child is primarily interested in the programming aspect and the mechanical build feels like a barrier, Sphero’s pre-assembled platform lets them focus entirely on code. The LED matrix adds a visible feedback layer beyond just movement.

Goal: Open-ended engineering with maximum freedom. Arduino or Raspberry Pi. For motivated teenagers with some technical background and a parent willing to engage in the process, open-ended platforms produce the most sophisticated outcomes — but require substantially more patience, parental involvement, and tolerance for the time investment before results appear.

What the Research Shows About Robotics Kit Learning

A 2023 PMC systematic review on educational robotics for developing computational thinking (PMC10078047) found significant improvements across multiple study types, with the key mechanism being that physical robots “serve as manipulatives that provide immediate feedback” — making abstract programming concepts concrete and visible. The research found effects across multiple age groups and both block-based and text-based programming platforms.

LEGO’s educational products specifically have been studied more than most commercial kits, given their school adoption. Research from multiple studies (cited in the 2023 STEM education meta-analysis) shows LEGO-based robotics activities produce significant computational thinking gains in middle school learners when curriculum is well-structured.

The assembly-first benefit is documented. Research on embodied learning suggests that physically constructing a system you then program produces stronger understanding of the relationship between code and physical outcome than programming a pre-assembled robot (like Sphero). For children old enough to handle the assembly (generally 9+), building is part of the learning, not just a pre-learning step.

Common Parent Mistakes

Buying the most advanced kit “so they don’t outgrow it quickly.” VEX IQ or advanced Arduino setups for an 8-year-old produce frustration, not acceleration. The kit that produces success in the first month will be used; the kit that produces confusion in the first week will sit on a shelf.

Not staying involved in the first month. All robotics kits require adult engagement for at least the initial setup and first few builds — reading documentation, troubleshooting connection issues, helping when the robot doesn’t respond as expected. Kits that are “set up and handed to the child” almost universally end up abandoned. Presence for the first two sessions, then gradually stepping back, is the right approach.

Expecting coding transfer without coding practice. A robotics kit is a physical programming environment. The coding skills from robotics transfer to other contexts — but only with deliberate practice. A child who programs their robot but never writes code in any other context develops robotics-specific skills, not general coding skills. The two are related but not identical.

What to Watch for Over the Next 3 Months

Week 2–3: Has your child’s robot done something that the kit’s instructions didn’t tell them to do? A child who modifies the default behavior — adds a new sensor response, changes the movement pattern, tries a project not in the curriculum — is in a fundamentally different learning mode than one who is following the guide exactly.

Month 2: Can your child explain one piece of their robot’s code in terms of cause and effect? “The robot turns right when the distance sensor reads less than 20 cm because I wrote an if-statement that checks the sensor value and then sets the motor speed.” This kind of explanation — not just “it works” — indicates genuine conceptual understanding.

Month 3 self-check: Has your child proposed a project of their own — something they want the robot to do that isn’t in any tutorial? Self-initiated projects are the proof that the kit has produced capability, not just guided completion.

For a broader comparison of robotics kits versus coding apps and what each teaches, see Robotics Kits vs Coding Apps for Kids 8–12. For how failure-based iteration builds engineering thinking, see Why Kids Who Fail More Build Better Brains.

Frequently Asked Questions

LEGO Mindstorms was discontinued. Can I still buy it?

The original EV3 line (Mindstorms Education EV3) was discontinued in 2022. The Mindstorms 51515 (Robot Inventor), released in 2020, is still available but has been overshadowed by LEGO’s focus on SPIKE Prime for education. If you find an EV3 kit secondhand, it’s still a capable learning tool, but the software support is aging and the curriculum ecosystem isn’t being updated. SPIKE Prime is the better new purchase for LEGO robotics.

My child’s school uses VEX IQ for their robotics club. Should I buy one at home?

If your child is serious about the school robotics club, yes — consistent platform across home and school means practice time at home directly prepares them for club competition. VEX IQ kits at home allow extra build time and programming practice that club sessions rarely provide. If your child is doing the club casually and isn’t particularly motivated, it’s probably not worth the investment for home use.

Which kit is most expandable as my child grows?

Arduino and Raspberry Pi have the highest ceilings — essentially unlimited. Among consumer robotics kits, LEGO SPIKE Prime and VEX IQ have the most growth room for the target age ranges (10–14). Makeblock also has a broader ecosystem (more advanced mBot models, XY Plotter, Arduino-compatible products) for children who grow out of the mBot2. Sphero is the most limited in expansion; it’s designed as a coding-first platform rather than a build-and-expand one.

Is coding in Python better than Scratch blocks for these kits?

For learning depth: Python. For initial engagement and success speed: Scratch blocks. Most kits support both, and the right approach is blocks until the concepts are solid, then transitioning to Python — the same sequencing that applies to coding in general. Don’t force text-based coding before the concepts are established; the syntax frustration usually outweighs any perceived “realness” advantage.

Are there kits that include a curriculum so I don’t have to figure out what to do next?

LEGO Education SPIKE Prime has the most developed curriculum of any consumer kit — their learning library has structured units for multiple grade levels, aligned to education standards. Sphero’s Edu platform also offers structured activities. Makeblock has decent curriculum support. VEX IQ’s materials are competition-track oriented rather than general curriculum. If having a clear learning path is important to you, LEGO SPIKE Prime has the strongest offering.

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About the author

Ricky Flores is the founder of HIWVE Makers and an electrical engineer with 15+ years of experience building consumer technology at Apple, Samsung, and Texas Instruments. He writes about how kids learn to build, think, and create in a tech-saturated world. Read more at hiwavemakers.com.

Sources

1. PMC. (2023). “Educational Robotics for Developing Computational Thinking in Young Learners: A Systematic Review.” PMC10078047. https://pmc.ncbi.nlm.nih.gov/articles/PMC10078047/

2. DigiKidz. “Best Robotics Kits for Kids: LEGO Mindstorms vs VEX vs Makeblock.” https://digikidz.com/best-robotics-kits-kids/

3. ToyBrands. (2026). “What Will Replace LEGO Mindstorms? Top 7 Robotics Kits for 2026.” https://www.toybrands.org/what-will-replace-lego-mindstorms/

4. Smart Kids University. “Robotics vs Coding: Which Builds Stronger Problem-Solving?” https://smartkidsuniversity.com/blog/robotics-vs-coding-which-builds-stronger-problem-solving-skills/

5. FutureSkillGuides. (2025). “The 5 Best Robotics Kits For Kids To Spark Imagination.” https://www.futureskillguides.com/top-5-robotics-kits-spark-child-imagination/

6. Frontiers in Psychology. (2025). “Systematic review and meta-analysis of the impact of STEM education on students learning outcomes.” https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2025.1579474/full

7. Edutopia. “How to Encourage Physical Computing in Elementary School.” https://www.edutopia.org/article/how-encourage-physical-computing-elementary-school/