Bell Demonstration Model, All The Components Of Electric Bell Are Mounted On A Large Panel. Allwiring Is Visible And Parts Are Of Large Size. Operates On 4-6 Volts Dc, Mounted On A Large Panel, All Parts Easily Visible, Rigid Constructions
Circuits 101 Classroom Set covers simple circuit design, including switches, diodes, batteries, resistors, transistors, and integrated circuits. Each set includes self-contained project boxes for 2-3 students, as we
Energy Conversion Kit, Wonderfully Demonstrates The Process Of Energy Conversion Between Many Different Forms Of Energy. Ideal For Classroom Demonstrations As Well As A Hands On Learning Tool, Mounted To A Solid Plastic Board Are Three Different Sources