Easy instructional construction set for beginners from 8 years on. The cables are not soldered, solely screwed or twisted. The tests are described through figures and helpful descriptions. As current supply is been used a 4,5 V/DC flat battery (not included). Among others there are to be made following tests:
- ordinary circuit with small lamp
- electromagnetism
- current proof through compass needle
- radio transmitter system Marconi
- generator
- selfmade battery etc.
- test of conductivity of water
- LED test I
- LED test II
Items included: compass with coil as current indicator, small lamp, electro-motor, lustre terminals, litz, detailed mounting instruction.