Silly Foam, Creative Modeling Foam Beads, 6 Primary Colors (Monster), Perfect for Preschool and Kids, Arts, Crafts, Sensory Play, Non-Toxic (Red, Orange, Yellow, Green, Blue, Purple) (Age 3+)

LYRK Collections Silly Foam, Play Foam Perfect for Preschool and Kids, 6 Color Blocks: Red, Orange, Yellow, Green, Blue, Purple (Monster Primary Colors, 1-Pack) (Age 3+)

Play-Doh Modeling Compound 10-Pack Case of Colors, Non-Toxic, Assorted, 2 oz. Cans, Ages 2 and up, Multicolor (Amazon Exclusive)