It's a 4 pack of 5-inch by 5-inch baseplates;With these baseplates, your creations will stay together and be easy to carry and display;Great for a group build or party;Ages 4 and up NOT FOR DUPLO;Compatible with LEGO, Tyco, PixelBlocks, Mega Bloks, KRE-O, or K'NEX Bricks. Brands listed for compatibility, not affiliated with or endorsed by these brands.

• 5-Inch By 5-Inch Blue Dots Baseplate Lego-Compatible 4-Pack
• Blue

5-Inch By 5-Inch Blue Dots Baseplate Lego-Compatible 4-PackMinifigFans