Mechanix Blix Gear Box, Made In India, Made from High-Quality Plastic, For 7+ Years of Kids. Improve your child Knowledge, Dexterity, Creativity, Reasoning, and Eye and Hand Coordination. The game includes 100+ pieces. Can make 10 experiments. The guide book is also provided in the game. 2 AA-size batteries are required for making working models. The batteries are not included in the game. The battery box and motor are given. Can make a different type of unique working models.