Tronex: 50+ Experiments Circuit Lab Science Kit is an electric circuit experiment kit that allows children to learn realistic concepts of electronics and electricity via play. Connecting electric wires to form different circuits will result in different electric functions.All electronic components are preassembled on the board. Simply bend the spring terminals over and insert the wires to make connections. The manual shows more than 50 exciting educational experiments.Once they get started, children will be able to build their understanding through play and experimenting. When children grasp the basics, they can even try out other interesting experiments on their own. Connecting them properly with resistors, transistors, capacitors, or other intermediate components can come up with even more varieties.