Make playtime exciting and mentally stimulating for kids with this build your own digital traffic management system set. Product Details Suitable for ages: 8+ years Includes 1 x eco-friendly reusable box, 1 x box base with holes, 1 x sticker, 5 x traffic light lenses, 1 x back plate (3 aspects), 1 x back plate (2 aspects), 3 x barrier pickets, 1 x barrier arm, 1 x barrier bottom rail, 1 x ON/OFF switch, 1 x battery compartment, 1 gearbox, 1 x traffic light main body, 5 x spring connectors and 2 x connecting bridges Dimensions/Size: 25.4cm (H) x 20.3cm (W) x 7.2cm (D) Material: Acrylonitrile butadiene styrene (ABS), polypropylene (PP), high impact polystyrene (HIPS), general purpose polystyrene (GPPS), polyoxymethylene (POM), polyvinyl chloride (PVC), copper, iron, tin and ethylene propylene (EP) Battery information: Requires 2 x 1.5V AA batteries (not included) Features Practice traffic management and safety Battery powered Based on S.T.E.M. (Science, Technology, Engineering, Maths) principles Additional Information Instruction Manual Adult supervision and assistance required Caution: Contains leads with functional sharp points on leads. Small parts. Follow usage instructions carefully.