- A classic skill game, you need a steady hand, don't touch the wire, otherwise you will make a buzzing sound!
- Classic Skill Game You need stable hands. Do not touch the wire. Otherwise, it will make a boom.
- Hand-eye coordination and fine movement, development of large and small muscles, strengthen the brain ability to control hands,
- Training willpower, patience, concentration, eliminate interference, improve children's ability to overcome inner anxiety.
- The electric circuit motor kit includes familiar components for use in school science, technology,