Physics Experiments Circuit Board

Description

Age:  4-8 years old (under 6 years old can be accompanied by parents to assemble)
Number of parts:
Version A: 24 pieces
Version B: 31 pieces
Version A features modules:
wires, colorful lights, electric keys, switches, red light-emitting diodes, horns, musical integrated circuits, resistors, light sets, fiber optic bundles.
Version B featured modules:
wires, mini colorful lights, electric keys, switches, light sets, speakers, music IC, battery box, electric motor, colorful lights, fiber optic bundles, wind blades, base plates 

nu