Unicorn cast and Paint Create a cool unicorn with this fun, creative kit! It includes a unicorn shaped tray, a bag of plaster, 2 paints and a paint brush. Cast your plaster unicorn then paint it how you like! Includes 1 Unicorn Tray, 1 Bag of Plaster, 2 Paints, 1 Paint Brush Suitable for 6 years and over.