Marble machines: I’ve been making them since my age was in the low single digits. Granted those were all made out of children’s wooden blocks and the marble usually got stuck somewhere I couldn’t see, but I consider myself an expert on the subject nonetheless. This is a very impressive

Because dream it, and, provided you’re making enough Youtube money, you can achieve it, this is a video of The Q constructing and riding a bicycle with tires made out of 60 tennis balls. I bet dogs love chasing him! It looks like it rides surprisingly well (and never needs

Because you never know when your husband is going to accidentally shrink the kids and they’ll need help getting around the house, artist and model builder Luke Towan went and constructed this tiny working escalator. Oh man, this thing is going to be the absolute highlight of the dollmall I’ve

Remember the miniature recreation of Cedar Point’s Steel Vengeance roller coaster that Venomeater123 built out of K’Nex? Me neither, but apparently I posted it nine days ago. Anyway, now he’ back with a POV video of what a ride on the coaster is like, and let me tell you, it

This is a video of Youtuber The Avid Creator avidly creating a reproduction of M.C. Escher’s famous ‘Relativity’ lithograph, but in physical form using foam board. I only wish he’d included the human figures in the original image as well. I demand realism! Still, now now my head hurts from

Built by Youtuber Wiz’s Woodwork, this mirrored coffee table gives the illusion of an endless mineshaft below, constructed using a cleverly designed infinity mirror. Pretty cool. Even cooler? An infinity gauntlet. And if I had one you better believe I’d be winning Powerball tonight. Plus probably try keeping the beat

The brainchild of engineer Ekaggrat Singh Kalsi, this is an analog clock created in the style of an LCD digital clock. Taking the flip clock to a whole new level, it raises and lowers its number segments using a cleverly designed series of cams and levers operated by a controller

Designed and crafted by Youtuber B.B.Korry, this hourglass (actually only a 30-second timer) reimagines the classic analog design with a digital upgrade, using magnetic iron filings to count down the seconds as they’re ever so briefly attracted to a digital display before dropping. That’s cool, now make one with enough