Get First-Hand (Hour-Hand, and Minute-Hand) Experience with Gears
This fascinating, educational kit explains the science of clocks and the progression of time. A unique and interactive project, this clock construction promotes cognitive development. Easy to follow, color-coded instructions and simple parts help complete assembly in under a half hour. No batteries are required the unit uses wind-up power. Size: 7 1/2"W x 8 1/2"H 2 1/2"D. Ages 6 and up.