Description: Scientific Experiment: DIY wooden robot coins saving box, scientific experiment kits children's toysMaterial: Robotic coins saving toy is made of quality wooden material, smooth surface, burr free and strongDevelopment and Education: Children can understand the scientific principles of toy working, learn scientific knowledge, and improve learning and practical abilities through the assembly of wooden construction kitsSuitable for most ages: The Money saving bank is suitable for kids, teenagers, children, adults to play(2x AA batteries are required)Gift: Science experiment kits are the best educational gifts for your children, allowing them to learn scientific knowledge, gain scientific enlightenment Specification: Material: Wood Size Chart: 12.5 cm x 7 cm x 11 cm/4.92 inch x 2.76 inch x 4.33 inch Package Includes: 1x Robot Savings Bank MaterialSet (Need Assemble) Note: 1.This is not infant toy, please take away from children to avoid eating.2.Please allow slightly errors due to manual measurement and different monitors.