Mark Rober Nasa

Mark Rober could not keep the squirrels away from his birdfeeder - so he built an insanely elaborate obstacle course to deter them.

Two package thieves, to be exact, both of whom had made off with a delivery from his California porch one day in broad daylight, about seven months ago.

Mark Rober could not keep the squirrels away from his birdfeeder - so he built an insanely elaborate obstacle course to deter them.

Two package thieves, to be exact, both of whom had made off with a delivery from his California porch one day in broad daylight, about seven months ago.