Features: 1. A classic skill game, you need a steady hand, don39;t touches the wires, otherwise you will make a buzzing sound The gameplay is simple, the handle does not touches the wires, and the game is limitless, as long as it passes smoothly. 2. Safe and reliable, powered by button battery, no harm to human body. The size is about 17x5x13cm/6.69x1.97x5.12in. Recommended for children over 3 years old. 3. Handeye coordination and fine movement, develop large and small muscles, strengthen the brain39;s ability to control the hand, stabilize the ability, and exercise the flexibility of the hands. 4. Concentration ability exercises willpower, patience and concentration training, enhances children39;s ability to eliminate interference. Strengthen the ability to resist stress, experience tension, cultivate a good attitude and calm thinking in a stressful and stressful environment. 5. Very suitable for family gatherings, bar party toys, adult children39;s toys. Notice: 1. Actual color may be slightly different from the image due to different monitor and light effect. Please allow 1-3cm deviation due to manual measurement. Specification: Power supply: 3 button batteriesincluded Material: plastic Size: about 17*5*13cm/6.69*1.97*5.12in Package List: 1 x Electric Bump Mazes Toy