Description: 【Innovative DIY Science Kit】: Engage young minds with this creative invention kit, designed to inspire curiosity and hands-on learning through the assembly of a single-bar robot model 【Educational and Fun】: Suitable for elementary school students, this kit combines fun with education, allowing children to exploring basic principles of science and technology while building their own robot 【Quality Materials】: Made from sturdy PP, this stem science kit ensures safe and longevity, providing a reliable experience for young inventors as they construct their project. Requires two AA batteries (not included) 【Compact Design】: With dimensions of 14 x 8.5 x 13 cm, the assembled robot is perfectly sized for small hands to manage comfortably while still being large enough to showcase its intricate details 【Gift for Young Innovators】: Ideal for birthdays or educational gifts, this DIY science experiment kit encourages creativity and problem-solving skills in children aged 6 and above   Size Chart: 14cmx8.5cmx13cm/5.51inchx3.35inchx5.12inch Package Includes: 1x STEM Science Kit Note: 1.This is not infant toy , please take away from children to avoid eating. 2.Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.