LEGO Yellow Duplo Container has been used in at least 2 LEGO sets over the past 28 years, since it was first used in 1996. It has a design ID of 6395 which can usually be found molded into the bottom of the part.
Lego Duplo Construction Vehicle Truck Yellow Car/Worker Figure 2.5” -Lego 4555
SHIMOYAMA Collapsible Kids Storage Box with Building Base for Lego Duplo Blocks, 26 Qt. Toy Organizer for Boys and Girls, 25L Stackable Toy Chests for Children, Green
Peeron: Battery Deluxe Cargo Train (#2745-1)
Sets that have 6396: Duplo Container 4 x 4 x 3 Door
LEGO Duplo Play Pen (2252 74584) Brick Owl LEGO Marketplace, 60% OFF
LEGO DUPLO All-in-One-Box-of-Fun Building Kit 10572 Open Ended Toy for Imaginative Play with Large Bricks Made for Toddlers and preschoolers (65 Pieces) : Toys & Games
Alligator bucket circa 1997 Please look at all pictures closely
Lego Duplo Yellow Storage Replacement Bucket w/Handle #1852 Empty Container Only
Peeron: Harbor (#2687-1)
Lego Electric Thrift
LEGO Rebrickable inventory for 2745-1 Deluxe Electric Train Set
LEGO Duplo - Train Freight Container 6395/6396 Red - DECOTOYS
legoland Electric Thrift
LEGO Sets with Part 6395 Duplo Container 4 x 4 x 3 with Open Sides, Train Freight Studs on Top 2 x 4
Lego Duplo Yellow Tractor Bucket Scoop Construction Vehicle Part Piece # 15579