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[Source] Kids Science Experiment DIY Toys Mini Wooden Traffic Light Gizmo Toys SetDescription:
100% Brand new and high quality
Suitable for students to assemble themselves and cultivate students' motivation.
Exercise hands-on ability, understand simple circuit and mechanical transmission.
Color: As picture show
Material: Wood,Plastic,Electronic component
Battery: No
Notes:
-This product does not contain two AA batteries, please bring your own.
-Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.
Package include: 1 X DIY Traffic Light Kit