Discover the secret to the clock’s hand movements with this 21 pieces kit.
Build a clock and discover how the hands move.
You can make the hands move at two different speeds with the flick of a finger.
Try it and see how it works!
Did you know
Did you know in a mechanical clock, the motion of the hands depends on the motion of the gears?
Each kit comes with simple step-by-step instructions and fun activity booklet.
Made of durable, recyclable cardboard.
We bring science to life with fun and imaginative toys, and our innovative products are designed to excite children and delight parents.