Paint Your Own Stone Unicorn Garden. Add enchantment to any outdoor space with the Paint Your Own Stone Unicorn Garden! This set of all-weather cement stone figurines is pre-molded so you can skip the messy steps and get right to decorating. Once painted, bake the stones in your oven for a long-lasting, weather-resistant finish. Display your colorful creations in a flower bed, at the base of a tree, in a container, or even indoors. Brand: MindWare Game: Paint Your Own Stone Unicorn Garden Age recommendation: 8 and up Number of players: 1-4 players.