And best of all: the mask is movable

One decision

The particles align in real time with the magnetic field and show you the direction and strength of the field – completely without power

The highlight: the play on words in the title "R2D²" alludes to the mathematical square and thus combines the worlds of science fiction and mathematics

A Joke About Time Travel Geschenk-Thema_Deko Liebhaber And best of all: theTime travel is a tricky thing. On one hand, you could jump into the past and whisper important hints to yourself. On the other hand, you already know what's coming and that ruins many a joke. That's exactly what's behind the saying on this shirt: "I'd tell you a time traveling joke but you didn't like it." The joke was already told before you heard it and apparently you weren't thrilled. Perfect for anyone who loves time paradoxes.