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This 50-piece STEM kit includes 20 large 4.75-inch polypropylene wheels, 20 rubber bands, and 10 wooden dowels designed specifically for mousetrap and rubber band-powered car projects. Featuring 4-tooth axle holes for secure dowel grip and rubber bands for enhanced traction, it offers durable, reusable components that simplify assembly and boost vehicle performance.





| ASIN | B07RY9ZF89 |
| Best Sellers Rank | #21,740 in Toys & Games ( See Top 100 in Toys & Games ) #300 in Educational Science Kits |
| Brand Name | STEM Inventions |
| Color | Large Parts Set |
| Compatible with Vehicle Type | Rubber Band-Powered Vehicles, Mousetrap Cars, Educational Project Vehicles |
| Customer Reviews | 4.5 4.5 out of 5 stars (78) |
| Exterior Finish | Plastic |
| Item Diameter | 4.75 inches |
| Item Weight | 0.53 kg |
| Manufacturer | GF |
| Manufacturer Part Number | large-wheels-20 |
| Material Type | Plastic |
| Model Number | large-wheel-20 |
| Number of Packs | 2 |
| Rim Size | 4.75 inches |
| Size | 50pcs |
| UPC | 728028472806 |
| Unit Count | 50 Count |
| Wheel Size | 4.75 inches |
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