In advance: Make 1 white candy clay recipe. Let set up overnight before tinting. Divide into 5ths; tint portions orange, pink, blue, green and yellow. Also: Make 3 batches of cereal treats; press mixture into prepared 9 x 13 in. pan. Unmold onto waxed paper-covered board. Cut into three 3 x 13 in. sections. Let cool completely.