NON-TOXIC 50 Piece EVA Fun Foam Wonder Blocks Soft Sponge Kids Early Learning Toy w/ Carry Tote,Colorful & Safe for Children Safe, soft foam blocks,EVA material; Blocks can be playing for fun when kids bathing; Brightly colored, soft and sturdy interlocking pieces; 50 pieces sets in a carry bag,easy to collect Manipulative like blocks are one of the keys to successful cognitive development and constructive learning