Reddit reviews Matney Kid's Foam Floor Alphabet and Number Puzzle Mat, with Zippered Case for Storage, Multicolor 12" by 12" (36 Tiles and Edges)

Large ABC and 123 foam puzzle mat for learning developmental skills or playtime – Foam cushions hard floor surfaces in playrooms, classrooms, gyms, and moreInterlocking pieces display uppercase letters and numbers with optional edges and cornersCome in assorted bright colors – each letter and number can be removed from puzzle piece giving you more play optionsGreat learning tool for kids – encourages development of gross motor skills, hand-eye coordination, logic, reasoning, and visual sensory growthIncludes zippered carrying case for convenient storage– 36 pieces – each piece measures approximately 12½”x3/8”x12 ½”