Build in a BIG construction site! These realistic foam bricks are light and easy for kids to carry. PREMIUM JUMBO FOAM BUILDING BLOCKS: made of premium, extra-thick foam blocks, jumbo size to give children endless possibilities to create different shapes and forms. Sturdy block measures 8 inches L x 4 inches W x 2-1/2 inches H. INDOOR/OUTDOOR: Soft rounded edges ideal for a safe indoor/outdoor play environment SUPPORTS STEM: Kids will learn early engineering and architectural skills while supporting imagination and creative play. CHILDHOOD DEVELOPMENT: Classic STEM toy - exercises special and methodical thinking. Inspires creativity and imagination through free-play. DESIGN AND SAFETY: These building bricks are soft, lightweight and have a smooth surface without rough edges. Children can build tall structures without fear of heavy blocks falling. Ages 2 and up.