Seven hands Puzzle|Casse-tête Sept mains#lang1: Quebec handmade wooden Toy Size : 18 l x 3,5 L x 3 h 8 pieces. Cylinders with little handles 18 36 months + Puzzles are stimulating games that require patience. They are great for children, who can then develop their concentration, perseverance, perception of colors, shapes and space, hand eye coordination, ability to think, memory, self confidence and ability to calm down. You might not want to choose a puzzle that is too hard for them, as it