Description They can be assembled to any shape, like numbers, letters, geometric figures and much more. They can be used for counting, sorting and patterning. Perfect to develop kids' creativity and manipulative ability. Features - Color: Colorful - Material: Plastic - Size: About 4.20X1.70X0.20cm/1.65X0.67X0.08in - Owning the strong wear and break resistance ability, very durable. - Let kids keep away cell phone and computer game, and play this funny toy. - Easy to complete, and it can help to develop fine motor skills, dexterity and hand-eye coordination. - Perfect to improve your kids' cognition and knowledge of shapes and colors, train children's manipulative ability and creativity. - Great for the interaction between parents and kids. An excellent educational toy for kids over 3 years old.Package list: 150 x Chain Links