This environmental friendly wooden stacking hedgehog is made of wood from FSC monitored source, painted with water based paints, packaged in a box made of recycled materials and printed with soy bean ink. Parents and gift givers will be proud to have made an environmental friendly purchase. Designed with 18 month olds in mind, you don’t have to worry about your child putting the pieces in any special order – Gaston’s wood pieces will stack however your little one places them – as long as Gaston gets to rest on top. Colorful, fun, and just the right size for your child. Tested to meet European and U.S. safety standards.