Electric 4.5V Battery Box 6 x 11 x 3 Type II for 1-Prong & 2-Prong Connectors : Part bb0045c02 | BrickLink
Train Battery Box Car with Two Contact Holes, Red Switch Lever, Blue and Red Magnets, Red Wheels, and Black Roof with '182' Pattern on Both Sides (Stickers) - Set 182 : Part 3443c05pb01 | BrickLink
LEGO PART 28738 Hub / Battery Box, Powered Up | Rebrickable - Build with LEGO
Amazon.com: LEGO Power Functions Train Motor 88002 : Toys & Games
Lego Duplo Lot 4 Train Blue Engine Chassis 4580 Base & Green & Black Car Bases | eBay
Lego Duplo My First Organic Garden Bricks Box Toy Set 10984 : Target
Amazon.com: LEGO DUPLO Town Garbage Truck and Recycling 10945 Educational Building Toy; Recycling Truck for Toddlers and Kids; New 2021 (19 Pieces) : Toys & Games
LEGO DUPLO: Brick Box - Imagination Toys
Amazon.com: NA Functions Power Functions Battery Box 8881 (1 Piece) Compatible with Lego : Toys & Games
Lego Duplo My First Fruit And Vegetable Tractor Toy 10982 : Target
Electric 4.5V Battery Box 6 x 11 x 3 1/3 Type III for 1-Prong & 2-Prong Connectors : Part bb0045c03 | BrickLink
Lego Duplo 2 x 2 Bricks Lot of 32 Yellow Red Blue Green Pieces | eBay