The Wonderworld 50 Four Colorful Wooden Blocks was designed for children to stimulate creativity and imagination. The 50 Four Creativity Blocks will educate your loved ones to think logically and inspiring them to sort, stack and create building blocks from their imagination. The Wonderworld 50 Four Colorful Wooden Blocks are Eco-Friendly: Made in Thailand from environmentally friendly rubber wood and strictly using non-toxic paints, dyes and lacquers from formaldehyde free glue. Packaging is made from at least 70 % recycled paper. Smart Gear designs, develops, manufactures and distributes eco friendly, award winning, fun, innovative and educational products for children age birth and up. Our product range includes: Wooden Balance Bikes, Rockers, Ride-Ons, Walkers, Blocks, Sorters, Stackers, Teethers, Push & Pull toys, Mini Vehicles, Pretend Play, furniture and more! Smart Gear is a strong advocate of protecting the environment. We take great pride in bringing award winning, safe, fun and educational products to children around the world. We are committed to the highest standard of safety & quality for all of our products and packaging. We have been and will continue to be proactive in the testing of our products.