Blue foam building blocks allow kids to create structures and

Giant Foam Blocks Set - 105 Pieces

Imaginarium Discovery - Foam Building Blocks

Giant Foam Block Set to Motivate Children's Imaginative and Creative Building Skill, Safe and Entertaining Bath Toy for Kids and Preschoolers, Giftable for Girl or Boy Aging 3-6 Years Old (Animal), Stacking

Big Blue Blocks - Loose parts play

Using Big Blue Blocks at the Library – Ontarian Librarian

Using Big Blue Blocks at the Library – Ontarian Librarian

Using Big Blue Blocks at the Library – Ontarian Librarian

Using Big Blue Blocks at the Library – Ontarian Librarian

Baby Building Block & Foam Climber Activity Play - AUCHOICE

Foam blocks

JaxoJoy Foam Building Blocks for Kids- 108 Piece EVA Foam Blocks Gift Playset for Toddlers Includes Large, Soft, Stackable Blocks in Variety of Colors

Imagination Playground - Rockwell Group

PLAY WORK BUILD at the National Building Museum