Tenki
Tenki is a magnetic construction toy designed to teach children basic circuit knowledge. The set includes power generation modules, power consumption modules and structural connectors. Each module contains wires that are joined through magnetic connectors, so no wiring is exposed. Children assemble the modules freely and explore different ways of converting energy. In one combination, turning the handle of a hand-cranked generator supplies power to a buzzer and produces sound. The basic two-way connector measures 30 by 15 by 15 millimeters.
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