Feature: 1. Combination Control: Clever use of micro and coin switch (hardness connection) combined control, the robot is more stable every time swallows coins 2. Flexible Use: Hinged connection, sensitive opening and closing, no coin is put in, the circuit is automatically disconnected, put in coin, the circuit is connected 3. Exercise Ability: This coin eating robot can exercise children hands on ability and understand the principle of circuit knowledge 4. Improve Performance: Cultivate children interest in learning and desire for knowledge, which helps to improve academic performance 5. Lay Foundations: The scientific knowledge in small production can lay the foundations for future inventions, mathematics, physics and chemistry learning Specification: Item Type: DIY Wooden Robot Material: Beech Uses: Handmade, Puzzle Teaching Paint Material: Wood Without Paint Wooden Building Block Type: Building Blocks Power Supply: 1.5V AA Battery x 2 (Delivery without battery). Package List: 2 x Wooden Board1 x Motor1 x Battery Box2 x 16 Hole Sheet1 x Hinge4 x Axle1 x Accessories Package1 x Switch1 x Lead Wire1 x Bracket3 x Rocker Arm1 x Screwdriver1 x Cable Tie1 x User Manual