Youtuber and creative engineer Mark Rober creates an extensive obstacle course in his backyard for the local squirrels to navigate. Watch his process as he tests out this crazy experiment to see just how determined a squirrel will be to find a walnut.
With precise attention to detail and an imaginative take on backyard fun, watch as Mark captures the hilarious reactions of these squirrels on a mission to complete the Walnut Heist.
