Grimm's Wooden Moon Houses Piling Game & Stacking Blocks Set Handcrafted in Europe by beloved toymakers Grimm's Spiel und Holz Design 15 sweet little moon-shaped cottages are gently stained in a rainbow of colors, then windows & doors are painted on one side Made from sustainably harvested natural wood and certified non toxic wood stains (no paint or varnish!) Take turns placing the next moon house without letting them all tumble down Promotes fine motor skills, creative thinking and problem solving