Children's electric concave and convex maze is fun to play, improves hand-eye coordination, develops character, and exercises concentration. Cultivate children to maintain a good attitude in stressful and stressful situations. Shocked thinking will enable them to recover quickly and deal with severe stress or danger calmly. Strengthen frustration education, improve children's psychological endurance, learn to solve problems, face difficulties, and persist in overcoming difficulties. Develop large and small muscles, strengthen the brain's ability to control the opponent, stabilize the ability, and exercise hand flexibility. Patience and concentration training can improve children's ability to eliminate distractions and overcome inner anxiety. Three mazes with different difficulties, packed in color boxes! Colour:Yellow Material:Plastic Package Contents: 1 * Base 3 * Collision Maze(Mountain+Electric Wave+House) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.