2 battery motors - use to make any K*NEX set more fun!
Make any K*NEX set more fun!
Build, investigate, and experiment with motorized models that have constant speeds and continuous operation
Build two models of the same device with different gearing systems and operate them side-by-side to observe the effects of the gearing variations
Recommended for ages 6 and up

Technical Details

Size (LWH): 6.3 inches, 5.4 inches, 3.7 inches
Product Details
Product Dimensions: 6.3 x 5.4 x 3.7 inches
Shipping Weight: 0.5 pounds (View shipping rates and policies)
ASIN : B003MGJTIS