Features 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 Board 1 x Motor 1 x Battery Box 2 x 16 Hole Sheet 1 x Hinge 4 x Axle 1 x Accessories Package 1 x Switch 1 x Lead Wire 1 x Bracket 3 x Rocker Arm 1 x Screwdriver 1 x Cable Tie 1 x User Manual