If you have kids, those goofy foam floor tiles make great blocking mats. : r/casualknitting

Dimensions: 24 x 24 x .47(12mm) Each pack covers 24 square feet. Each 6 pack comes with 12 straight-edge trim pieces. Norsk Multi-Purpose Foam

Norsk Solid Color Foam Mats - EVA Foam Interlocking Tiles

Foam Flooring Tiles 8-Pack Interlocking Eva Foam Pieces Non-Toxic Floor Padding for Playroom, Gym, or Basement by Stalwart (Multi-Colored)

✿✿✿Puzzle foam floor mat: you will receive 120 pieces of interlocking foam puzzle floor tiles.This floor mat provides a comfortable and safe

120 Pcs Foam Puzzle Mat,Large Area Carpet Tiles,Foam Floor Tiles Interlocking Floor Mats,Foam Tiles Gym Mat,Play Mat,11.8x11.8x0.39 Inch(Color:Light

TEHAUX 18 Pcs Foam Knit Mat Mats for Kids Tatami Mats Mat for Kids Knitting Supply Blocking Mats for Knitting Crochet Blocking Multi-use Foams Pad Convenient Blocking Board Floor Child

0.39 Inch Thick Puzzle Interlocking Plush Carpet Tiles,Foam Mats Floor,Anti-Fatigue Area Rugs,Playroom,Washable,12X12 Inch-36 Pcs(Color:Coffee) : Everything Else

Fun N' Safe (7173A) Kid's ABC/123 Play Mat, 36 Interlocking Foam Tiles with Pop-Out Letters and Numbers

Blocking mats-- multi-function blocking board crochet blocking mat convenient blocking board knitting board sturdy and compact, the crochet blocking

TEHAUX 18 Pcs Foam Knit Mat Mats for Kids Tatami Mats Mat for Kids Knitting Supply Blocking Mats for Knitting Crochet Blocking Multi-use Foams Pad

Warning! Foam blocking mat colour transfer – PlanetJune by June Gilbank: Blog

So proud of my first blanket completed for my friend's baby- need to wash before gifting, but I'm terrified! : r/crochet

KEED Interlocking Baby Play Mat Tiles Soft Floor Foam Mat – TheToddly