Spark imagination, encourage hands-on learning, and boost problem-solving skills with Costco’s Building Blocks and Sets collection. Designed for builders of all ages—from young children to adults—our selection offers everything from beginner-friendly building bricks to complex, collectible Lego sets. Discover top-rated building block sets at Costco for the perfect holiday gift, birthday surprise, or weekend hobby project.

• Popular Themes & Collectibles: Build iconic pop-culture displays with top-rated sets like LEGO Legend of Zelda and action-packed LEGO Pokémon and Pikachu bundles.
• Botanical Collection & Home Decor: Bring nature indoors with popular floral builds like the LEGO Peace Lily, Magnolia, and exotic botanical sets.
• Vehicles & Speed Champions: Satisfy your inner race fan with high-speed builds, featuring collector-favorite LEGO Ferrari race cars and matching helmet bundles.
• Unbeatable Value & Exclusive Deals: Shop our exclusive LEGO selection for deep discounts on multi-pack sets, high-piece-count kits, and member-only pricing.