BrickLink - Part 76371pb004 : LEGO Duplo, Brick 1 x 2 x 2 with Bottom Tube with Traffic Light Pattern [DUPLO, Brick, Decorated] - BrickLink Reference Catalog
Lego Duplo Fire Park Reference 10903-toys, Boys And Girls, Figures, Blocks And Pieces, Original, Official License, Construction - Soft Plastic Blocks - AliExpress
LEGO part 4066 - Trans-Light Blue Duplo, Brick 1 x 2 x 2 at BrickScout
LEGO Transparent Duplo Brick 2 x 2 with Light (51409) | Brick Owl - LEGO Marketplace
LEGO Transparent Duplo Brick 2 x 2 with Light (51409) | Brick Owl - LEGO Marketplace
BrickLink - Part 52189c01 : LEGO Duplo Siren with Light and Sound, 1 x 2 Base with Yellow Button and Trans-Dark Blue Light Covers [DUPLO, Vehicle] - BrickLink Reference Catalog
Lego Duplo 3437 Trans-Light Blue Brick 2 x 2 | eBay
LEGO DUPLO Amusement Park 10956 Fairground with Train Toy, Carousel & Ferris Wheel, Early Development and Activity Toys for Toddlers Ages 2 Plus - Walmart.com
Big Size 2x2 Luminous block brick Classic Education Building Blocks Compatible with Lego DUPLO Bricks Toys for Children
LEGO DUPLO Tower Crane & Construction Vehicle Toys (10933) Toys - Zavvi US
Lego Duplo Brick 2 X 6 X 1/2 Light Blue Set of Two | eBay
LEGO - Duplo, Light Brick 2 x 2 - Multi-Color Flashing Lights with White Button | eBay
LEGO Bright Light Orange Duplo Brick 1 x 2 x 2 with Traffic Light without Bottom Tube | Brick Owl - LEGO Marketplace
LEGO PART 39787c01 Duplo Siren with Light & Sound, 1 x 2 White Base with Red Button | Rebrickable - Build with LEGO
Lego | Toys | Lego Duplo Brick Box 913 New 65 Pieces Tub | Poshmark