A miniature model of a drawbridge which is still used until the present day. The geared motor is driven by switch contacts and lifts or lowers the bridge. LEDs and a mechanical driven barrier indicate when the bridge is free to be crossed. Most of this project's components are already prefabricated. Includes a detailled instruction with drawings. 2x AA batteries (1,5 V) are NOT included.
Skills required: scribing, drilling, sawing, soldering, glueing and assembling.
Size: 600 x 150 x 320 mm
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