LEGO Blue Baseplate 16 x 16 with Island and Water | Brick Owl - LEGO Marketplace
Educational Assemblage Gobricks Plate 16 x 16 compatible with lego 91405 pieces of children's DIY Building Blocks Technical - AliExpress
Lego® 91405 Baseplate 16x16 (light bluish gray)
Amazon.com: Brick Loot 10 Pack Compatible 5 X 5 inches Baseplates 16 x 16 Studs 16x16 - Variety Base Plate Pack Includes: Grey Green Blue and Tan, 100% fits Lego : Toys & Games
Amazon.com: LEGO Parts and Pieces: Dark Gray (Dark Stone Grey) 16x16 Studs (4.8 inches by 4.8 inches) Plate x1 : Toys & Games
Lego® 91405, 6004927 baseplate 16x16 dark bluish gray