วงจรไฟฟ้าแม่เหล็กของเล่นการศึกษาสําหรับเด็กนักเรียน

1.Type:Light Bulb Experiment Kits 2.Power:1 x AA Battery (Please note battery are not included) 3.Size:14*11 cm(package size) 4.Mainly used in electrical experiments in primary and middle schools. 5.The product is essential electrical consumables for primary school science, middle school physics laboratory and students' home laboratory. 6.This help your kids to learn the electric circuit function properly. 7.It Can excite children's curiosity and promote imagination, developing intelligence, exercising the ability of using hands and brain. 8.Parents and children to assemble it together to improve parent-child relationship. 9.It's useful for keeping track of unproductive habits, like play phone and online game for a long time. Package includes: (Box color random) 2 x Crocodile Clip 1 x Light Bulb 1 x Light Bulb Holder 1 x Battery Holder 1 x Switch 1 x Wire 5 x Paper Clip 1 x Nail