Explore the beauty of the natural world with this cave-inspired wooden puzzle. Its 6 earth-toned pieces can be combined into myriad shapes and structures. You will be truly astonished at the number of unique solutions your children will find to this seemingly simple puzzle; where adults see a cave, children see a portal to unlimited possibilities. It is ideal for developing problem solving skills, spatial reasoning and open-ended thinking. Grimm's Spiel und Holz toys are lovingly designed and manufactured in Germany. Toymakers use only the highest quality, sustainably harvested wood and completely natural, non-toxic dyes, paints and finishes.