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?electrode 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
