Pro’sKit GE-631 Air Engine Car Kit – DIY STEM Compressed-Air Propulsion Car Toy for Kids 10+ (Battery-Free Eco Car)
Key Features
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Let kids build a real eco-powered vehicle with the Pro’sKit Air Engine Car Kit GE-631 — an exciting STEM car that runs using compressed air propulsion instead of batteries. This hands-on science kit introduces children to real engine and air-pressure principles in a way they can see, build, and race.
Once activated, the air engine releases stored pressure to drive the car forward at impressive speed, traveling up to 50 metres in about 35 seconds. It’s a fun, memorable way to learn about air pressure, mechanical motion, energy transfer, and green transportation — all while enjoying an awesome racing experience.
Designed with a safe, explosion-resistant structure, the GE-631 is built for confident play and repeat use. It’s also a great parent-child activity: building and experimenting together strengthens teamwork and curiosity. With ST toy safety certification and CE safety standards, this kit is both educational and trustworthy for kids aged 10+.
⭐ Highlights
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Battery-free air engine teaches clean energy mechanics
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Fast propulsion performance kids can measure and test
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Safe, sturdy build with real engine-style design
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Encourages creativity, STEM thinking, and family interaction
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Ideal for science projects, classrooms, and gifts
📌 Quick Specs
| Feature | Details |
|---|---|
| Brand / Model | Pro’sKit GE-631 |
| Type | Compressed-air engine car kit |
| Power Source | Air pressure propulsion (no batteries) |
| Performance | Up to 50 m in ~35 sec |
| Assembly Required | No (ready to operate) |
| Recommended Age | 10 years and up |
| Dimensions | 31.8 × 19 × 11.2 cm |
| Weight | 590 g |
| Certifications | ST safety, CE |