German scientist in 1929, has developed a toy that is gaining its popularity now.
In 1929, the German inventor Paul Schatz came up with a geometrical figure, which is called oloid. Little-known incredibly precise mathematical miscalculations and properties of the figure, through their movements makes it impossible to look.
The main property of alaida is that despite its uneven shape and smooth surface it moves in a perfectly straight line. Oloid has a circular shape, but thanks to the miscalculations of the inventor moves each point of its surface.
Now opened a Kickstarter fundraiser for the production of new toys. Having a variety of new developments, gadgets and toys, replacement spinners can be oloidi.