Amazon.com: Brickyard Building Blocks Lego Compatible Baseplate - Pack of 4 Large 10 x 20 Inch Base Plates for Toy Bricks, STEM Activities & Display Table - Assorted : Toys & Games
Amazon.com: LEGO Small Building Plates Accessory Set 9388 for Girls & Boys Ages 4 & Up (22Piece) : Toys & Games
Sand Baseplate 10699 | Classic | Buy online at the Official LEGO® Shop US
Baseplate 32 x 32 : Part 3811 | BrickLink
Blue Baseplate 10714 | Classic | Buy online at the Official LEGO® Shop US
Gray Baseplate 10701 | Classic | Buy online at the Official LEGO® Shop US
LEGO Classic - Green Baseplate (10700) | Walmart Canada