$23.46 + $4.99 SHIPPING
EARN 24 RAKUTEN SUPER POINTS™Get rewarded when you shop! Earn 1 point per dollar spent. That's like getting cash back on every purchase. Easy to see matured points in checkout. Use points just like cash.Learn More
What are Rakuten Super Points™?
|KNX1087: Features: -Motor Pack.-Build, investigate, and experiment with motorized models.-2 models of the same device with different gearing systems.-Operate them side-by-side to observe the effects of the gearing variations.-Turn concept models into 'Technology at Work'. Collection: -Education collection.|