has been used in at least 5 LEGO sets over the past 60 years, since it was first used in 1964.
Classic Light Gray Baseplate, 5 Piece 48x48 Building Base Plates-15x15 in, Compatible with Lego Parts and Pieces 4186(5 Pieces, Light Gray) : Automotive
Lego 4186 Gray Base Plate Baseplate Light Grey 48 X 48 Stud Large 15x15 Square
size - What is the largest single LEGO piece? - Bricks
BSPAS Base Plate 40 x 40 cm / 50 x 50 Nubs for Lego City Life, Building Plates Compatible with Lego (Grey) : : Toys
Baseplate 25 x 50 : Part bb0060
Baseplate 50 x 50 : Part 4186a
LEGO Set of 5 Gray Base Plate 48 x 48 Stud 15 x 15 Flat 48x48 4186
RARE Vintage Lego Giant Base Plate 50 By 50 Studs 4186a Light Gray BROKEN
Lego Baseplate, Base Plate 48 x 48 - 3497 / 4186 - 4278193 - Light Stone Grey For £12 In Manchester, Engl
Sentimental, Stunning and Unique lego baseplate
Bricker - Part LEGO - 4186 Baseplate 48 x 48
LEGO® Classic Gray Baseplate – AG LEGO® Certified Stores