But as millions of children have found out since the 1940’s, once you roll your Slinky down the stairs a few times, you’ve basically hit the wall in terms of entertainment value. So what if we ...

Paying under $3 for anything right now is seriously impressive. But when you clip the on-page coupon the Slinky is at one of ...

The solution was to ditch the drill and build a simple hand crank mechanism. The Slinky now can cascade down stairs as long as your arm holds out. Join us after the break for 3 videos ...