โคมไฟจราจรไฟฟ้าของเล่นการศึกษาสําหรับเด็ก

1.Item Name: DIY traffic light 2.Material:Electronic Components, Wood 3.Power: 2 x AA Battery (Not Included.) 4.Size:6*9.8cm 1.DIY science kits toy make children's own toy. 2.It Can excite children's curiosity and promote imagination, developing intelligence, exercising the ability of using hands and brain. 3.Parents and children to assemble it together to improve parent-child relationship. 4.It's useful for keeping track of unproductive habits, like play phone and online game for a long time. Knowledge point: 1. Understand some basic traffic knowledge, know the reason why red light stops and green light goes. 2. Be aware of your own safety when you cross the road. Package Includes: 1 * DIY traffic light 1 * Instructions