【STEM Education Toys】Small circuits, big knowledge, this electronic building block set integrates multiple knowledge points and has high educational value. Children can learn circuit knowledge such as parallel connection and series connection.The circuit toys develops kids' minds, this electronic building block set introduces essential circuit knowledge and enhances problem-solving skills.It is very suitable for discussion and interaction with children in daily life. 【CIRCUIT BLOCKS KIT】This educational scientific set includes: base grid, host power supply, toggle switch, knob switch, RGB lamp module, optical fiber, motor module, fan accessory, flying saucer accessory, four-head conversion port, wires, foam balls. 【64 Interesting Science Experiment Projects】We designed a more enjoyable shape for young children to make a better integration of fun and science. Build the exciting projects with this circuit board for kids! Kids' minds can embark on 64 captivating circuit science experiments, such as building a small fan, vacuum cleaner, RGB light, blowing air and frisbee. 【Customized Learning Toys for Kids】The science kit comes with an 18-page color instruction manual. 66 circuit construction methods are explained in detail. Colorful illustrations and written step-by-step instructions help children understand circuit knowledge more clearly.Made with safety and high-quality materials, ensuring a secure hands-on learning experience for kids. 【Perfect Gift for Kids】This circuits set is the perfect gift for boys and girls aged 3, 4, 5, 6, 7, 8, 9 years old. Let children transform into little physicists, a variety of ways to play, free assembly, expand thinking, and develop different playing experiences.