The Digi-Comp series mechanical toy computers of the 1960s became the introduction to computing for many a future geek. Here's the premier site on the Web to discuss these and similar fondly-remembered early "personal computers."
There are 15 experiments in the original manual that came with the machine, 50 more in Digi Comp I Romps, 17 activities in Tim Walker's book that comes with
My new game book, MORE FUN with DIGI COMP I, Final Edition, is still available. All of the original activities, with corrections, are still in it,including
hi: I found the perfect size rubber bands in a supermarket where they sell girls hair berets and bands for holding pony tails together. Bought a whole bag of
... you might want to look at information on konrad zuse's z1 computer. (http://user.cs.tu-berlin.de/~zuse/Konrad_Zuse/en/z1-metal-sheets.html) it shows