What! No batteries? Be a scientist as you discover how to power this digital clock using potatoes. With this Ežexperiment find out what other substances will power the clock - you'll be amazed!
WARNING! Not suitable for children under 3 years.
What! No batteries? Be a scientist as you discover how to power this digital clock using potatoes. With this Ežexperiment find out what other substances will power the clock - you'll be amazed!
WARNING! Not suitable for children under 3 years.