4M Potato Clock DIY Green Science Chemistry Engineering Lab - STEM Toys

Be a scientist as you discover how to power this digital clock using potatoes. Experiment to find out what other substances will power the clock - you'll be amazed! Caution: high voltage inspiration and fun! real science & real fun the two potato clock allows you to generate enough electricity to run a digital clock using potatoes! just push the zinc and copper electrodes into the potatoes causing an oxidation/reduction reaction that is converted to low voltage. Watch your child's delight and sense of accomplishment with the clock they create. 4M potato powered clock contains digital clock with wires, pots, connecting wire, transparent tapes, copper and zinc strips and detailed instructions. Does not include potatoes. Recommended for ages 7 and up.

About Toysmith: The Toysmith story began in 1982 and for over forty years the company has built a reputation of trust and customer service within the toy industry, manufacturing and distributing every type of high-quality toys and gifts under the rainbow.