1、[Promote Children's Creativity] This toy can effectively cultivate and promote children's creativity, patience and practical ability. 2、[Interesting] These toys may seem simple, but they contain many mysteries, which is very interesting, to meet your various need. 3、[Safe For Child] This toy has no pointed edges to keep you and your child safe, lightweight and compact, so you can use it with confidence. 4、[Stainless Steel Material] Made of high quality stainless steel material, which is durable, safe, not easy to rust, can be used for a long time. 5、[Widely Application] Suitable for cultivate thinking, improve intelligence quotient and EQ, anyone can pick it up and play. Item Type: Unlock Ring Material: Stainless steel Application: Suitable for cultivate thinking, improve intelligence quotient and EQ, anyone can pick it up and play Weight: Approx. 80g / 2.8ozProduct Size: Approx. 28.3 x 13 cm / 11.1 x 5.1 in 1 x Unlock Ring