Description:Made by safe and non-toxic environmental wood;Great DIY toy for kids interests for learning of science and physics, developing children's structure imagination, and exercising your children hands on practical ability;Included 1 set of traffic lights, red/green/yellow light toy;Powered by 2 x AA batteries (Not Included)Applicable age: 6 - 14 years old;Specification:Size: approx

8 x 4

7 x 10

4cm/ 3

15 x 1

85 x 4

94inchPackage Includes:1 Set of DIY Traffic Light Toy