Eutuxia 36-Piece Foam Mini Puzzle Mat Alphabet and Number. Fun and Colorful Educational Learning Toy for Toddlers, Babies, and Kids. Safe Non-Toxic EVA Foam. - Walmart.com
ProSource Kids Solid Colors Foam Puzzle Floor Play Mat, 36 or 16 tiles - Walmart.com
Amazon.com: Alphabet & Numbers Foam Puzzle by DDI by Gov : Toys & Games
Amazon.com: Suwimut Baby Foam Play Mat (36-Piece Set), 6.1x6.1 Inch Interlocking Alphabet and Numbers Floor Puzzle Colorful EVA Foam Puzzle Playmat Tiles for Crawling Baby, Infant, Toddlers : Toys & Games
Infantino Go Gaga! Soft Foam Puzzle Mat : Target
Animal Eva Foam Puzzle Playmats/Tiles Bulk | iFoaming