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Amazon.com: 2300ML Foam Balls Polystyrene Beads,White Foam Beads for Slime 2-3mm for Kids DIY Craft Foam Polystyrene Balls Party Decoration (9 x 7 x 3 Inch)
Pre-Puff Polystyrene Beads - Insulation Corporation of America
Amazon.com: Grizzly Polystyrene Beads for Arts, Crafts, Hobbies and Sewing. The Big 2.0 Oz Bag for Stuffed Animals, Dolls, Pillows, Pet Beds, Decorative Craft, Christmas and Halloween, Door & Window Stoppers. :