![View LEGO instructions for Big Fair set number 10840 to help you build these LEGO sets | Lego, Lego duplo, Duplo View LEGO instructions for Big Fair set number 10840 to help you build these LEGO sets | Lego, Lego duplo, Duplo](https://i.pinimg.com/736x/cd/3f/b6/cd3fb641dbc607cad2305cb3f057fae2.jpg)
View LEGO instructions for Big Fair set number 10840 to help you build these LEGO sets | Lego, Lego duplo, Duplo
![Truck & Tracked Excavator 10812 - LEGO® DUPLO® - Building Instructions - Customer Service - LEGO.com US Truck & Tracked Excavator 10812 - LEGO® DUPLO® - Building Instructions - Customer Service - LEGO.com US](https://www.lego.com/cdn/product-assets/product.img.pri/10812_Prod.jpg)
Truck & Tracked Excavator 10812 - LEGO® DUPLO® - Building Instructions - Customer Service - LEGO.com US
![LEGO® DUPLO® All-in-One-Box-of-Fun 10572 - LEGO® DUPLO® - Building Instructions - Customer Service - LEGO.com US LEGO® DUPLO® All-in-One-Box-of-Fun 10572 - LEGO® DUPLO® - Building Instructions - Customer Service - LEGO.com US](https://www.lego.com/cdn/product-assets/product.img.pri/10572_prod.png)
LEGO® DUPLO® All-in-One-Box-of-Fun 10572 - LEGO® DUPLO® - Building Instructions - Customer Service - LEGO.com US
![a): Snippet from the used Lego Duplo paper instruction. The necessary... | Download Scientific Diagram a): Snippet from the used Lego Duplo paper instruction. The necessary... | Download Scientific Diagram](https://www.researchgate.net/profile/Lewis-Chuang/publication/325887461/figure/fig2/AS:639770438930432@1529544567461/a-Snippet-from-the-used-Lego-Duplo-paper-instruction-The-necessary-brick-can-be-seen.png)