Sparks flying, gears turning – the Time Machine has landed right beside Thomas Edison’s workshop in 1879! He is testing his very first light bulbs. Help Professor Sparks and Clara learn about electricity and how to save energy.
Sparks flying, gears turning – the Time Machine has landed right beside Thomas Edison’s workshop in 1879! He is testing his very first light bulbs. Help Professor Sparks and Clara learn about electricity and how to save energy.