8 ## challenge-bot in action
10 <iframe src="//www.youtube.com/embed/qg5WpeSCRZY?list=PLLiYVIuIQg5IhiQzziHun8cUVaD0VHwhP" frameborder="0" allowfullscreen></iframe>
12 The challenge-bot has two autonomous functions:
14 1. follow-bot: keep a constant distance from something in front of it
15 2. the tabletop challenge: wander around a table without falling off
17 ## instructions for building your challenge-bot
19 <iframe src="//www.youtube.com/embed/Js6rk4XW_DU?list=PLLiYVIuIQg5L9JdJTJITYFqEnpDYlZaRn" frameborder="0" allowfullscreen></iframe>
21 Here are instructions for putting together the kit (version 5df1ea8).
23 The challenge-bot course will walk you through all of these steps.