Estimated Delivery:8 ~ 10 business days, Shipping Fee GBP 1.99 Features: - Ability to seek knowledge, explore and innovate; - Ability to think independently and solve problems manually; - Understand the mutual cooperation and interaction of mechanical transmission structure; understand the movement principle of kinematics and the transformation of power; - Understand the generation and interaction of physical and mechanical power, electricity, and mutual conversion to enhance children's understanding and exploration in all aspects of physics and mechanical power since childhood - Popular science, environmental protection, promotion and popularization - Understand the transmission principle of machinery and cultivate children's scientific and technological knowledge and exploration ability Product Details: Material:ABS Color:Blue Size:25x14x26 cm Suitable age:over 3 years old Crowd:Suitable for children, the elderly, and people with stress Package included:1 Set x Plastic Parts (Abcd 4 Pieces), 1 x Electric Module, 6 x Small Accessories, 1 X Manual