LEGO Classic Green Baseplate 2304 Supplement for Building, Playing, and Displaying Creations, 10in x 10in, Large Building Base Accessory for Kids and Adults (1 Piece)
Lego Plate Modified 1 x 2 with Door Rail Parts Pieces Lot ALL COLORS | eBay
Assembly Part Toy | Building Blocks | Bricks - 10pcs High-tech Particles 61780 2x2 Box - Aliexpress
Measurement
LEGO Small Building Plates Accessory Set 9388 for Girls & Boys Ages 4 & Up (22Piece)