Bullet Points: 1Convenient to Use: This ferrule game water machine has no battery and you can play it at your fingertips. 2Attractive Patterns: Bright patterns increase the child's sense of color and enhance the child's interest. 3Intelligence Developing: It can enhance your child's thinking and learning ability, the brain responds flexibly, and develops hand-eye coordination. 4Small Size: It features adult palm size, steering wheel design, very suitable for children to grasp. 5Game Rule: Whoever finishes the circle assignment in the shortest time will win. Specification: Name: Water Game Machine Material: plastic + liquid Suitable age: 3 years old or older Weight: about 100g on average Battery specifications: no battery required Color: style color random delivery Packing List: Game machine*1