This international trend Rocks! Hide & Seek Rock Painting is a fun way for you, your friends and family to spread kindness, encouragement and happiness throughout your community-one rock at a time. This package contains 10 natural river rocks, water-resistant paint, two brushes, 30+ waterproof transfer designs and four bonus gold metallic transfers. Ages 6 and up. WARNING: Choking Hazard. Not suitable for children under 3 years. Conforms to ASTM D4236. Imported.