PF Ultra-light Plasticine Modeling Clay Artist Studio Toy, 24 color Clay Set childrens-art-clays A<span class="a-text-bold">ppeal to boys and girls of 3 ages and up. </span> <span class="a-text-bold">Colorful Air Drying Clay Basic</span><br> PF Ultra-light Plasticine Modeling Clay Artist Studio Toy designs can look more exciting when built with these vibrant colors. Clays easily to handle, which prompts kids to develop into critical thinkers through creative play. As they play, kids develop tools for problem-solving tasks, logical thinking. Soft and easy to handle, making it perfect for everyone from children to the elder. 1. Please wash your hands before use, and knead clay throughly.When clay becomes hard, please knead the clay with wet hand, then clay will be soft again. 2. After use, store remaining clay in an airtight plastic bag. 3. Colors will fade if the finished-work is immersed in water. Do not place works where they are exposed to water, or outdoors. 4. Because of the weather or temperature problem, some clay may be stuck in plastic bag, this is a normal phenomenon.Thanks for your understanding. Tips for preserving clay:<br> 1. Preserve the clay with plastic wrap or a damp cloth<br> 2, the length of stay in the air is too long, the clay surface of the dura can be removed, a little rub, sealed with plastic wrap, and then rub, repeat the process until the clay soft recovery.<br> 3, can be placed in the refrigerator freezer, better effect.<br> 4, semi dry clay, add water about 30g per 10g, stir slightly, sealed and kept well.<br> 5, all dried clay, add water about 20g each 30g, hand mixing evenly, sealed for 4-7 minutes, you can recover the initial state This modeling clay can keep your kids away from electronics, and help them develop their creativity and imagination while play based learning.<br> Further,it can be enhanced the relationship between children and parents while they are palying the clay together.<br> Health100% Safe &amp; High Quality . Harmless to human and environment.