The KELVIN® Belly Bear™ Trainers are an economical way for students, grades 1 and up, to learn about electronics. No prior electronics knowledge, on the part of the teacher or student, is needed. Quick disconnect connections make it easy to create and test circuitry while learning about discrete components.
The Teacher Guide includes Lesson Plans, Teacher Aids for each Lab, Suggested Discussions, Assessment Tests with Answer Keys, and a Glossary. The Student Manual contains numerous labs and projects.
Self-contained, assembled trainer includes built-in: Assorted Switches, Bi-Directional Diodes, Buzzer for sound, Motor for motion, Capacitors to demonstrate hi/low capacitance, Resistors to demonstrate hi/low resistance, Fuses  good and  bad for testing, Lights  filament and  LED, Motor for power generation, and Separate Battery Arrangement to create serial or parallel voltage. Board measures 8-1/2 x 10-1/2 in.