| ECON-2520 Electrical Control Kit | A supplementary kit (more than 50 parts) is designed to be used with a Mechanism kit to make a resource for a group of 2 to 3 secondary students. Used together they provide the experience of using electrical switches to control devices and interconnecting mechanical and electrical systems. Contains: colored lamps, motor and gears, switches, wire and fischertechnik-plugs. A 9V-power supply (e.g. Energy Set - 30182) is required.
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