CrunchLabs: Where kids & adults learn to Think like Engineers

Flywheel Motorcycle - Gear Ratio

Flywheel Motorcycle - Gear Ratio - Main image
$24.05 $32.95 In stock

Category: Toys

Build and explore gear ratios with the Flywheel Motorcycle from CrunchLabs, a hands-on project made for kids and adults who want to think like engineers. This build focuses on how gears work together to drive a spinning flywheel motorcycle.

  • Product name: Flywheel Motorcycle - Gear Ratio
  • Brand: CrunchLabs
  • Category: Toys
  • SKU: CL-010073 (Standard)
  • Theme: gear ratio learning through building

Part of the CrunchLabs build series, this kit pairs making with engineering thinking. Assemble the model, then observe how the gear setup affects motion.

Customer Reviews (4.8 / 5 · 5 reviews)

Jacob ★★★★★

My 9-year-old figured out on her own that swapping the gears changed how fast the wheel spun, and she spent the next hour testing every combo. The pieces snap together solidly, nothing wobbles loose mid-spin. Way better than the flimsy kits we've tried before.

Timothy J. ★★★★★

Putting this motorcycle together really helped me visualize how different gear sizes affect speed and torque. The instructions were clear enough for an adult beginner like me.

Sophia R. ★★★★★

My 9-year-old figured out on his own that swapping to the bigger gear made the flywheel spin slower but with more force, and he explained it to me like a tiny physics teacher. The pieces snap together tight enough that nothing rattles loose when it's running.