Lemon Clock

Item: 83673

In this science project
children learn the
functionality of batteries
with the lime clock.
Simply add a lemon,
a potato, lemon juice
or even cola to generate
enough electricity to run
a digital clock.
Contents:
5 x wire contact plates
1 x clock module
1 x large base
1 x small base
1 x clock module base
2 x water columns with lids
2 x zinc electrodes
2 x copper electrodes