These colorful beads made from superb material that is and does not contain bad substances would be best for educatioal use. Bright colors of each bead would help with strengthening their ability to differentiate the through the games they shall play. They are also essential for the intellectual develpment for kids as how they would stimulate their creativity. Features - - Material: Plastic. - Packing size: About 20x15x3cm/7.87x5.91x1.18inches. - These colorful beads are made from superb material that is and does not contain bad substances. - Can help improve your kid’s hands-on ability and imaginative ability. - Bright and lovely colors of each bead would help with strengthening their ability to differentiate them. - They are also essential for the intellectual develpment for kids as how they would stimulate their creativity. - A set of good kids toy for their birthday. Package list: 1 x set of grids 480pcs DIY string beads material