Description: Cultivate children's ability to resist stre, concentration, willpower and hand-eye coordination, and cultivate children's good mentality in a streful and streful environment.Strengthen frustration education, improve children's mental toughne, learn to resolve problems, persist and overcome difficulties.You can play and compete with friends and family. Increase family emotions and advance friendship.With cool lights, when the bumper touches the metal bar, music will sound and lights will be emitted.Multiple polishing procees, delicate touch, smooth corners. Safety:Using 2 AAA batteries as a power supply, the human body has no sense of electricity, and it is very safe. Advantage:Cute cartoon projection pattern toy maze to attract baby's eye. Perfect for testing mental abilities and challenging your children's patience. Usage:A claic game of skill that requires a steady hand. Do not the wire or the buzzer will sound!When the electric bumper hits through the maze, it will emit a lightning bolt and sound (safe for the baby). Material:ABS Battery:2 x AAA battery(not included) Product size:about 17 x 14 x 5.5(cm) Package included:1 x Puzzle Toys