The twisted puzzles are made of wood connected with elastic rope, durable enough for you to twist it Each mini puzzle is about 6.14 inches/ 15.6 cm after spreading, mini size for you to carry it in your pocket Each wooden puzzle has 6 colors, 12 blocks in total, color looks nice and bright. This flexible puzzle can fully develop children's intelligence, train hand-eye coordination and improve memory; Note: suitable for children over 12 years old. Each bendable fidget puzzle can be twisted in any imaginable way, a lot of fun for fidgety people.