Seewald Solutions

Let your children search for the fitting vehicle, ship or animal parts. If all three parts are at the correct place, the entire name is marked green. …

So you have a friend who is colorblind... how does the world look to him/her? With this app, you can see what it is like to be red, green or blue colo …

Ratcheting is a well-known tradition since 1482. It creates lots of noise by turning a wooden ratchet – the faster, the better! 3D model and sound wer …

Based on the photograph of a one-handed pocket watch created by Breguet et fils, Paris, 1810, this small app shows the time. No bells, no whistles, no …