Four Action Kits in one! Just a few of the many exciting experiments you can perform with the Action Lab Kit: controlling motor's forward/reverse rotation with generator, fan using motor and generator, electromagnet and reverse polarity, operating the electric bell with generator, and color mixing with rotating color disc. Safe, solderless, educational, and fun! Easy-to-read, illustrated, lab-style manual included. Discover how an electric bell is constructed and how it's made to ring. Build your own operating motor - it's easy, it's fun, it's safe! Find out how a generator makes the electricity that makes things work. Meter measures the amount of electricity used in your experiments. WARNING: CHOKING HAZARD - Small parts. Not for children under 3 yrs.