Colorful Wooden Tangram Puzzle: each 7 pieces is a set Safe Design Tangram SetAll pieces of wooden blocks are Safe design.Tangram is made of Environmental protection and non-toxic paints material,100% Wood. Smooth and lightweight Prevent children from being injured during use. Kids and baby can play it safely. Benefits of wooden Intelligence puzzle Tangram : Helps with dexterity and fine motor skills, promote hand eye coordination, spatial reasoning.Inspire your child's imagination come to life with these little piecesLevel of difficulty can be adjusted to match person's abilities. Thinking And Attention Game: This Wooden tangram Puzzle set and mind games help kids and adults learn to use cognitive abilities, reduce stress and anxiety, and prevent memory decline of the elderly. A Great Tangram Gift for kids&Adults : This Patter blocks Perfect for passing times, fidgeting, and helping parents to keep children away from digital devices .