Crayola Air Dry Clay: Perfect for beginners, it’s soft, easy to shape, and dries within 24 hours. It comes in a few color options, and white is easiest to find. DAS Air Dry Clay : A classic ...

This is called "additive" sculpture. When you stick things together. If we were to take a lump of clay and cut parts away then that would be called "subtractive". Give it lots of time to dry.