It is a DIY wind vane experiment toy, 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 material, which is and lasting for use. Features -Color: As shown -Material: Plastic -Size: About 12.50X12.00X1.00cm/4.91X4.72X0.39inch - Made of material, not easy to damage, safe and , 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 happy for this creative and practical product. - Also, an experiment and teaching model, can make your kid study science, fun learning. - Creative and intelligent wind vane experiment assemble toy. It will not let you down. Package list: 2 x sets of scientific toys