What a wonderful toy!! What could be more simple or more appealing? Little ones love to take these apart and put them back together. Nuts and bolts can be sorted by type, shape or color as this toy naturally helps children develop manipulative and cognitive skills. No directions needed as children already know what to do. Hardwood means long life and durability for this toy. Details:36 pieces packed in a cary along bucket5 lb.For ages 3+