LEGO & Duplo are compatible -- use this to your advantage!
Noah Stokes on Twitter: "LEGO is the ultimate design system. Pieces from the early 80's still work flawlessly with pieces from today. It's incredible foresight." / Twitter
JIXIn Building Kits Compatible with LEGO DUPLO/Crossbow/Plane/Robot Dynamic Gear Building Toy Set for Preschool Kids/Erector Set 218 PCS Classic Big Blocks STEM Toys/Gift Toy for Kids Age 3 4 5 6 7 8+
LEGO® DUPLO Large Building Plates | Becker's School Supplies
LEGO DUPLO Town - Police Station & Helicopter - Best for Ages 2 to 5
LEGO® DUPLO® - LEGO® History - LEGO.com MY
Lego Duplo and Trains! | Entertrainment Junction
TIL that Lego blocks and Duplo blocks are compatible. Mind blown... : r/todayilearned
Stavebnice pro nejmenší stavitele - JUNIOR KOSTKY 50 ks kompatibilní s Lego Duplo aj. - L-W TOYS
Lego Duplo Brick Box Deluxe Multicolor | Kidinn
LEGO® DUPLO® STEAM Park | Becker's School Supplies
LEGO Duplo: Garbage Truck & Recyling - Beyond The Blackboard
LEGO DUPLO Town Train Tracks Expansion Set 10882, Building Toys for Toddlers with Red Action Brick, Gifts for 2-5 Year Old Boys and Girls
LEGO® DUPLO® My XL World | Becker's School Supplies
LEGO compatibility with Duplo, Quatro, and even bigger LEGO bricks - YouTube