This wooden Tetris puzzle is colorful indeed. Its painted really well therefore the color of the wood doesnt come off at all. Also all the puzzles fit perfectly and theres no problem in fitting it in different ways. This wooden puzzles and board is very sturdy that when its dropped on the floor no parts are broken. 1.Improve attention concentrations. 2.Improve kids' ability to grasp. 3.Improve kids' hand-eye coordination. 4.Improve color and shape recognition 5.Improve parent-child interaction 6.Improve logical thinking .Wooden Tetris Puzzle are made of natural and healthy basswood with high quality and smooth surface. Non-toxic paint ensure safe play. ( Length: 10.8 Width: 6.1 Height: 0.3)100% Nature Wood ,Very durable and compact .This is a Traditional teaching mathematics in a jigsaw puzzleThere is no age limit,both adults and children are suitable.It can help increase the intelligence of the kids,to release the working pressure of the adults,to help prevent a decline in memory of the elderly, Enjoy hours of fun with you family and friends.Perfect ultimate gift idea as Christmas Gift / Birthday Gift/ Festival Gift. .Simplest design with bright colors help to spark any imagination and creativity perfectly. Making shapes and patterns provide a better chance to practice fine motor skill, hand-on coordination,even kids spatial thinking. Make mind working from now on. .Wooden Toys Tangram Brain Teaser Puzzle Game have several examples for shapes and things to make with it, each time you mixed up the pieces the puzzle would come out differently. such as pistol, human, robot, tree, umbrella, flower, pyramid, airplane and etc. .Add to the cart immediately! Gifts worth collecting can also be given as gifts to your friends or children. If you have any questions, please contact us and we will reply within 24 hours.