Amazon.com: Polystyrene Foam Block
Silverlake Large Craft Foam Block - 11x17x7 EPS Polystyrene Blocks for Crafting Modeling Art Projects and Floral Arrangements - Sculpting Blocks for DIY School & Home Art Projects. 4.6 out of 5 stars 44. $19.95 $ 19. 95. Get it as soon as Wed Aug 5. FREE Shipping on your first order shipped by Amazon.
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