Water Clock Science Lab Kit

Tree of Knowledge - Go Lab Series: Water Clock

Make a clock that can work just on tap water! You will never needed batteries again! Also works on a variety of household materials such as: cola, fruit juice and even ketchup! Try other materials and see how the clock never stops. This is the best timekeeper you will ever have.

Ages 8 and up

222 Days until Christmas!

We can special order from numerous sources. Call for volume pricing or to special order.