Oskar's Mug is a puzzle mug. The object is to drink from the mug without spilling. The mug, however has holes at its sides, such that tilting the mug results in spilling your drink.
Your best problem solving skills are required to successfully take a sip without dribbling any liquid. This puzzle combines a classic puzzle jug with a classic greedy cup.
Made by Oskar van Deventer, who has created many different puzzles including his brand of Oskar Puzzles which are mechanical puzzles and objects that can only exist thanks to 3D printing technology. Since 1978, he has been creating hundreds of mechanical puzzles, making him one of the world's most prolific designers. Several of his innovative designs are commercially available.