EDU TOYs

EDU TOY

Digi-Comp II: First Edition FAQ 

Rolling-Ball Binary Digital Mechanical Computer

https://shop.evilmadscientist.com/productsmenu/tinykitlist/375-dcii



Digi-Comp II is a mechanical computer invented by John Thomas Godfrey and manufactured by Education Science Research (E.S.R., Inc.)

instructables.com




Dr. Nim Prototypes


 evil mad scientist.com 


https://www.evilmadscientist.com/category/educat/



https://www.thingiverse.com/thing:3939005


Digi-Comp II Replica
https://www.thingiverse.com/thing:3418066






https://duckduckgo.com/?t=h_&q=computers+Digi-Comp+II+laser+plywood&iax=images&ia=images










toy toys plywood