DIY Electromagnetic Pendulum Physics Circuit Model Building Kits Science Experiment Educational Physical Student Puzzle Toy

Description: DIY electromagnetic pendulum circuit model kits，educational physical experiments science toy Building kits puzzle，connect a circuit to product electromagnetic field（Powered by 2AA batteries），interaction of magnetic and electromagnetic field，it will move like a pendulum Including parallel or series circuit connection， physical and electromagnetic field principle tips for kid child learning studying Great scientific experiments lab teaching aids school supplies Develop children's hand & eye coordination, and help children experience the theory of power, expand kids scientific & mechanical interest Main Material: Plastic, wood Color：As picture show Specification: Need to be assembled by yourself: assemble the model as the pictures shown Size Chart: Assembled size (L*W*H): Approx 9.5*3*10cm/ 3.74*1.18*3.93 inch Package Includes: 1 Set DIY Electromagnetic Pendulum Toy (with assembled picture instructions) Note: Due to the manual measurement, please allow 1-2mm differences in size Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand

DIY electromagnetic pendulum circuit model kits，educational physical experiments science toy Building kits puzzle，connect a circuit to product electromagnetic field（Powered by 2AA batteries），interaction of magnetic and electromagnetic field，it will move like a pendulum Including parallel or series circuit connection， physical and electromagnetic field principle tips for kid child learning studying Great scientific experiments lab teaching aids school supplies Develop children's hand & eye coordination, and help children experience the theory of power, expand kids scientific & mechanical interest