Description It is DIY sound light siren, it can exercise your children practical ability, train your children observation capability, thinking and analytical skills. Bright colors will appeal to children and let them learn with fun and enjoyment. It is made of premium material, which is durable and lasting for use. Features - Color: Random color. - Material: ABS. - Size:13.00X8.00X2.50 cm/5.11X3.14X0.98 inch. - Battery: not included 2 AA batteries. - Made of premium plastic material, not easy to damage, safe and durable, useful and interesting. - Manual assembly model, which will help your child's developmental skills and learning minds. - You can send it to your families and friends as a gift, they will be happyfor this creative and practical product. - Also, experiment sound light siren , can make your kid study science knowledge, fun learning. - Creative and intelligent sound lamp siren alarm assembly model toy. It will not let you down. Package list: 1 Set x DIY Sound Light Siren