DURABLE MATERIAL: Wooden Tetris Puzzles are made of natural and healthy basswood with high quality and smooth surface. It contains 40 pieces with a reasonable sized board (Length: 10.6" Width: 7 " Height: 0.39")DIFERENT PATTERNS: Wooden tangram toys brain teaser puzzle game has several examples for shapes and things to make with. Each time you mix up the pieces, the puzzle would come out differently, such as pistol, human, robot, tree, umbrella, flower, pyramid, airplane and moreBRIGHT COLOURS: The simple design and bright colors are perfect for sparking any imagination, perfect for times when you or your child just need to calm down or relaxEDUCATIONAL TOYS: Assembling Russian Blocks use common geometric patterns and colors to keep children busy for different options to play and to add creativity to eye-hand coordination, color & shape recognitionPERFECT GIFT: Awesome wooden Intelligence puzzle, great toy for kids and adults. Perfect ultimate gift idea as Christmas Gift/ Birthday Present/ Festival GiftWooden Tetris Puzzle 40 Pcs Tangram Jigsaw Brain Teaser Toy for Kids Intelligence Educational Gift for Toddlers