Description: Through DIY small production, children's interest in learning and curiosity are stimulated, and children's thinking ability is exercised. Since this self-made traffic light contains circuit knowledge, it can allow children to understand and recognize parallel circuits while disassembling. Made of high quality plastic and electronic component materials, it is durable. The length of the product is 8cm, the width is 4cm, and the height is 11cm. This product is suitable for early learning. Item Name: DIY Traffic Light Material: Plastic,Electronic Component Feature: Smooth Edges, Early Learning Toy, Creative Power Supply: 2 x AA Batteries(Not Included) Size Details: Size: 8cm x 4cm x 11cm/3.15" x 1.57" x 4.33" (Approx.) Notes: The product is a DIY toy, the color changes with the color of the parts. Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Switch 1 x Back Cover 1 x Base 1 x Battery Case 1 x Small Bulbs 1 x Flat Column 1 x Lampshade (Battery Not Included)