Tinkling the ivories with your feet? Elves do it all the time apparently!
For the person that demands a certain period style...
A slightly pointless novelty, this one, but maybe that is all part of it's charm?
The Magnetron - a nice demonstration of chaotic motion
An amazing way of creating images in porcelain, developed during the 19th century
If you think that it is all done with magnets, you would be right - at least in this case!
A novel version of a child's model railway
4 toys from 1995 - a footballing thumb toy, rubber sharks, a carnival tiara and the world's hardest wooden puzzle!