4M - Doorbell Making Kit
Stimulate imagination and creativity with the 4M KidzLabs Doorbell Making Kit. Complete an electric circuit for a working doorbell with this kit. Teach friends and family about converting electricity to physical movement. With a hangable loop at the top of the unit, use the doorbell as a functional and decorative gadget.
Required, but not included: a cross-head screwdriver and 2 AA batteries. This kit is recommended for ages 8 and over.