STL file LEGO Duplo compatible spiral elevation train track 🚆・Model to download and 3D print・Cults
Amazon.com: JIXIn Marble Run Building Blocks Compatible with LEGO DUPLO/3-IN-1 Multiplayer/Gear Handle Fun Marble Maze Blocks Building Toy Set/164 PCS Classic Bricks/Gift Kids Toys for Boys/Girls Age 3 4 5 6 7
Amazon.com: JIXIn Marble Run Building Blocks Compatible with LEGO DUPLO/3-IN-1 Multiplayer/Gear Handle Fun Marble Maze Blocks Building Toy Set/164 PCS Classic Bricks/Gift Kids Toys for Boys/Girls Age 3 4 5 6 7
Mind blown. 30 years with Lego and I just realized duplo are compatible. : r/lego
Lego-compatible marble run - EduTech Wiki
compatibility - Are DUPLO blocks compatible with LEGO blocks in any way? - Bricks
Big Size Building Blocks | Plastic Building Blocks | Lego Duplo Compatible - Brick 4 - Aliexpress
PSA: Lego and Duplo are inter compatible. How did I not know this!? : r/daddit