- 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 - Your kit includes 10 natural river rocks, water-resistant paint, 2 brushes, 30+ waterproof transfer designs and 4 bonus gold metallic transfers - Add the waterproof #creativityforkids tracking sticker the bottom of your rocks. Both rock painters and finders are encouraged to share pictures of their rocks on our Facebook and Instagram pages