Description: 1.Material: Natural Calcium Powder 2.Colors:10 Colors Available 3.Weight: About 20g\/Pack 4.Function: Baby Growth Record 5.Age: Newborn,6 Months, 12 Months, 18 Months and so on 6.Tips:A pack of 20g,only enough to print the footprints of a newborn baby, depending on the age,the amount required is different,The older the child, the more you need. 7.Usage:Pinch the clay into your favorite shape, then print the babys hands and feet on the clay, then dry it in a place away from direct sunlight. Features: 1.20g of soft clay dough will produce 1 baby handprint or footprint of 0-6 months. 2.The clay will start the drying process when it exposure to light and air,the clay takes 24 hours to fully harden. 3.This super soft clay dough is a safe, non toxic and easy to use. 4.Very soft, smooth, non-sticky. Does not stick to your hands, super stretchy,Easy to dry, and it can help you record your babies growth process. 5.Lightweight Hand Inkpad, Growth Record, DIY Toy, Easy to Use. Package Included: 1 Pack of Clay (Round Tray not Including) Notes: 1.Long-distance transportation may harden the product, please dont buy if you mind 2.1 inch=2.54cm 3.Due to the difference between different monitors, the pictures may not reflect the actual color . 4.Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement.