The Potato Clock Science Experiment Kit by 4M contains a digital clock and all the building parts needed to run it (minus the spuds). Experiment to find out what other substances will power the clock - youll be amazed! This small in size, but big in educational value, green science kit from Educational Toys Planet presents the alternative source of energy and offers fun hands-on science fun. The Potato Clock Science Experiment Kit comes with the detailed instructions.
Potatoes not included.
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