Description This set comes with 400pcs C-clip hooks in rainbow colors.They can be assembled to any shape, like numbers, letters,geometric figures and much more. for counting, sorting and patterning.Perfect to develop kids' creativity and manipulative ability. What's more, they are great toy parts for parrot, rat and other pets. Features - Color: As shown in the picture. - Material: Plastic. - Size: Approx. 3.8 x 1.5 x 0.5cm/ 1.5 x 0.6 x 0.2 inch (LxWxH). -Great foot toys for small parrots/ parakeets. Suitable for hanging bird/ rat toys and connecting his perches in cages. - DIY assembling. Can be freely assembled to any shape,like numbers, letters,geometric figures and much more. - 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: 1 of 400pcs Plastic C-clips Hooks Chain Links C-links Kids Educational Toy Rat Parrot Bird Toy Parts