Stress Tester Kit

This is a real stress tester DIY kit. Make your own electric buzzer circuit. You test your stress resistance by moving the handle from one side of the circuit to the other. This of course without touching the wire. Otherwise the buzzer will go off. The kit contains all parts to build the stress tester. You only need two AA batteries and a Phillips screwdriver. The kit has been developed to stimulate children's technical skills. In addition, they learn to think independently. The kit is suitable for children from 8 years old under adult supervision.