Robot Eating Coin DIY Model Teaching Learning STEM Project for Students Kids DIY Robot Eating CoinModel Assemble Kit Mini Teaching Learning STEM Project Science Education Aid Gift for School Lab Feature: Knowledge+Ability Education = Future Competitiveness What you buy is not only a family science toys, but also a kind of responsibility and attitude between parents and children in the new era. Awareness: Train children's practical ability, hand-eye coordination, exercise thinking, develop intelligence and explore science. Let the children experience the sense of accomplishment and satisfaction of completing one thing during the hands-on process, and let the children grow up in learning. Manufactured by hand, using the digital unlocking mode of mechanical password lock, all the code wheels can be turned to the correct position, and the lock can be unlocked by pushing down the button, without power supply or key, with simple structure and easy assembly. Children can put some of their own treasures, toys or pocket money when they are finished. Special fit design, no glue is needed. Just take the parts off the plywood, and you can start an intelligent and interesting assembly journey. Specification: Color: as shown Size: 15*13*12cm/5.90*5.11*4.72in Applicable age: 5 years old+ Material: wood+other Battery: 2*AA battery (not included) Note: Pay attention when assembling products that need circuits. The red line is connected to the positive pole of the battery box. The blue wire is connected to the negative electrode of the battery box. All products are free of batteries, pigments and glue , and accessories are randomly colored, with no specified color. Please read carefully before purchasing. Contains small accessories and sharp objects. Children should be accompanied by adults. Please take good care of children to avoid swallowing. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 1 XEating CoinRobot