This kit includes an integrated motor unit for interactive building. It helps develop logical thinking, focus, patience, fine motor skills, and imagination. The kit requires 3 AAA 1.5V batteries and features step-by-step instructions for constructing one model at a time. The price drops from $21.99 to $19.99 to $9.99 at checkout. Shipping is free on orders over $35.

Price drops at checkout.