Specifications:This traffic light model is designed to enhance children& 39;s concentration, patience, observation, imagination and hand-eye coordination.It features smooth surface without any rough burrs, which helps to protect hands from accidental scratches.You can give the model as an exquisite gift to your kids and children who love DIY assembly in daily life.Item Name: DIY Assembly Signal Light ModelMaterial: Wood, Electronic ComponentsPower Supply: 2 x AA Batteries (Not Included)Feature: Non-toxic, Fine Craftsmanship, Teaching Aid, Birthday GiftFinished Size: 15cm x 7cm x 8cm/5.91" x 2.76" x 3.15" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 Set of DIY Assembly Signal Light Model (Others Not Included)