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 8 Years And Up This Kit Is Ideal For Young Science Enthusiasts, And Offers A Valuable Lesson On The Transformative Power Of Green Science No Batteries Required
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 8 Years And Up This Kit Is Ideal For Young Science Enthusiasts, And Offers A Valuable Lesson On The Transformative Power Of Green Science No Batteries Required