With 60+ solid-wood pieces, this colorful set includes screws in a variety of sizes, eight square washers, four round pieces, eight cubes, a variety of plank/link lengths, and design ideas. In a slotted wooden box with plastic cover for organized storage. Box is 14.5" x 12" x 2" (37 x 30 x 5cm). Ages 4 and up. Latex free.