4M Potato Clock
Become a scientist while discovering how to operate a digital watch using potatoes. Also discover what other items will run this digital clock. You'll be surprised! You will have so much fun.
Attention: High Voltage fun!
You'll find that it's really easy. Includes digital clock, containers, connecting cables, tape, copper and zinc wire, and a detailed build guide.
Size: 17 x 22 x 6 cm
No customer reviews for the moment.