Material for some small constructions

• Largely hollow bricks
• Toys featured at a theme park in Carlsbad, California
• Danish bricks
• Building blocks of a sort
• Building composition, maybe
• Blocks often disassembled and reassembled
• Big name in the brick business
• Bricks that snap together
• Building set

Wiktionary Word definitions in Wiktionary
n. (plural of lego English)