Lego and Volvo CE's futuristic autonomous loader has a tiny drone friend - CNET
LEGO IDEAS - Build the construction machines of the future! - X33 Drone Street Sweeper
Lego® Custom Instructions The X-Drone - Lego Instructions - MocsMarket
LEGO Technic Drone | Freelancer
80Mph Racing Drones made from Lego Technics | Today we're putting all of our LEGO building know how to the test to see if we can build a high speed racing drone