3 Pole Climbing Lego Robots

Demonstrating pole climbing mechanisms with Lego. All 3 machines are tested against a flagpole that is 8 meters tall, 13 to 8 cm thick, and ropes on the surface. Enjoy!

0:00 pole climber 1: gravity locking
2:49 pole climber 2: rubber-band locking
5:05 pole climber 3: circulating climber
8:32 quick tryout on a tree