Amazon.com: LEGO Education DUPLO Large Building Plates, Assorted Color, 38cm x 38cm : Toys & Games
Amazon.com: MIMAX Self-Adhesive Baseplates Compatible with DUPLO, Peel-and-Stick Baseplate for DIY Play Table or Wall - 4 Pack (10" x 10") (Black) : Toys & Games
LEGO Duplo Baseplate 16 x 24 with Blue Pond Pattern | Brick Owl - LEGO Marketplace
LEGO Duplo Creative Play Duplo Large Green Building Plate 2304 Building Kit - Walmart.com
Lego Duplo BASE PLATE LOT 4x8 Building Toy White/Light Green 2 Baseplate Pieces | eBay