Superior and Environmental Material - This jigsaw puzzle is made of high quality wooden material, non-toxic, well crafted and no sharp edges and corners. Please feel free to let your children play with it. Strong and tough, not easy to break, which gurantee this jigsaw has a long life time. And we offer 100% satisfaction gurantee. . From Easy to Difficult, Boost Kids Confidence - This wooden puzzle comes with 37 wooden pieces and 60 pattern cards including animals, vehicles and daily product etc., kids can start with small number of puzzle pieces, then pick the puzzles of high degree of difficulty gradually, they can bulid the things according to the cards or create their own designs. Children play from easy toward hard can help child to feel more positive and confident when meeting challenging tasks. . Portable and Easy to Storage - The kids puzzles contain two durable iron box, it can be used for store the kids game pieces, making it easier to clean up after playing. Moreover, these two boxes are small and portable, so children can bring it anywhere to play. . Great Early Educational Toy - Through playing with this wooden pattern blocks set, which can help kids to develop their color shape recognition, hand-eye coordination, imagination and creativity, spatial awareness and logical thinking. . Great Early Educational Toy - Through playing with this wooden pattern blocks set, which can help kids to develop their color shape recognition, hand-eye coordination, imagination and creativity, spatial awareness and logical thinking. .