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The design relies on two printed bearings, as well as weight distribution and center of gravity to deny water to a would-be drinker.
The instant your prankee lifts up this 3D-printed cup it starts violently vibrating! The electronics separate from the cup for easy washing.
This cup will spill its contents on you when you tip it, unless you know its secret!
My tribute to Felix Klein born April 25, of Kleinsche Flasche fame.
A harmonious union of the best parts of the Pythagoras Cup and the Puzzle Jug, this cup is a mashup of inspiration and innovation!
Team Monkey Business
A new "twist" on an old concept that will make your head spin. Or at least you'll have to spin your cup to quench your thirst.
This is a cup designed to dump liquid whenever someone tries to drink from it with their right hand.
Greedy or not, here it comes! This is a twist on an ancient Greek prank, but even if you don't overfill it, it still might get you!
A mug that is impossible to drink from, unless you know the trick
Drain holes cause liquid to drain into the foot of this goblet. With the liquid in the foot there is a trick to drink the liquid.
Oneshot, Rationer, Mirror Me, 6-Shooter, Ying vs Yang, The Friendsly Octopus
This cup includes many tricks! If you sip out of the wrong holes then you might end up getting soaked! Enjoy!
A tricky cup for a good laugh as the drinker gets a shower if they pick it up wrong
Lemuel David Botha
It's a prank cup that is challenging to drink from without spilling all over yourself... unless you know the secret.
It looks pretty ... pretty useless.
Fid ranch rocket botany team
Spin the spiral cup to unscrew it's contents and see if you can figure out how to avoid the dribble holes.
This cup will spill all over you unless you know the trick. Hint: look at the holes.
This cup work great as long as you don't drink out of by holding the handle with your right hand. If you do, it dribbles until empty. Fool!
Choke and splutter as your drink is inevitably blown into your face and spilled down your chin repeatedly with no easy way to set it down.
Team The Outside Chance
This cup is designed to shoot coffee directly into your eye.
using free moving widgets this cups center of gravity rapidly changes maker it incredibly unwieldy.
About two-fifty an hour. Bulbous body, wide turned down lip. Makes it hard to drink from.
Team Jak's Hub
Fluted cup with edges to poke your eyes while you drink!
This is the glass you've been waiting for! Watch out! Don't get wet!
Design was created on solidworks.
this cup was designed in Fusion360
Do you dare an attempt to drink from this diabolical glass?! Spill a drop, lose your soul!
BEST PRANK CUP EVER !!
Rockin' cup team
Here's a cup that's really simple to drink from once you know the trick
Work in progress
The most useful cup ever! Once you print it, you will never leave home without it.
Take a drink. Don't scream.