Electro Chem Clock-T&K
lab. Build a battery that produces electricity from lemon
juice. Use the battery to power a digital clock with LCD
display. Use acids, such as cola or even salty water, to
power your clock. Learn the basics of electricity, electrochemical
reactions, batteries, and conductors and insulators.
3 experiments, 8 pg manual, ages 8 and up.,
*(1) WARNING: CHOKING HAZARD-SMALL PARTS.
Not for children under 3 yrs.