Mind blown. 30 years with Lego and I just realized duplo are compatible. : r/lego
DUPLO® | Building Sets & Bricks | Official LEGO® Shop US
Classic Assemble Car Building Block Car Diy Brick Toys Compatible With Legoing Duplo - Buy New Year Toys Gift For Children,Abs Plastic Toys Set,Big Building Block Toys Product on Alibaba.com
compatibility - Are DUPLO blocks compatible with LEGO blocks in any way? - Bricks
Amazon.com: LEGO DUPLO Classic Deluxe Brick Box Building Set with Toy Storage 10914, First Bricks Educational Learning Toys for Toddlers and Kids 1.5-3 Years Old : Toys & Games
Large Building Blocks Lego Duplo Compatible | Lego Duplo Compatible Bricks - Brick - Aliexpress
Plastic Building Blocks | Brick Compatible Large | Big Particles Bricks - Brick 2x6 - Aliexpress
Are there any Duplo play bases that are compatible with Lego blocks? - Quora
Basic Brick 2x3 10pcs DIY Classic Education Building Blocks Compatible With lego Duplo Large Bricks Toys For Children|Stacking Blocks| - AliExpress
Train Tracks 10882 | DUPLO® | Buy online at the Official LEGO® Shop US
LEGO® Classic Bricks and Houses Set (USA CUSTOMERS ONLY)
Amazon.com: JIXIn Dinosaur Marble Run Building Blocks/Compatible with LEGO DUPLO/Dino Eggs Fun Marble Maze Blocks/125 PCS Classic Brick Building Toy Set for Preschool Kids/Gift Toy for Boys/Girls Age 3 4 5 6
Train Bridge and Tracks 10872 | DUPLO® | Buy online at the Official LEGO® Shop US