Potato Clock jigsaw puzzles Pile up the pups

Pile up the pups

Our 100-piece puzzle has extra-large

Squeeze-activated squeaker adds an extra element of surprise

and more activities to help bust even the most unbeatable boredom

Potato Clock jigsaw puzzles Pile up the pupsThe 4M Potato Clock teaches young minds the value of green energy in an illuminating way. The Potato Clock uses a pair of ordinary spuds to power a digital clock. This kit includes a digital clock, wires and prongs; two potatoes are all that's needed to create a working clock. This kit is ideal for young science enthusiasts, and offers a valuable lesson on the transformative power of green science. Detailed assembly instructions included. No batteries