March 6, 2008
Marble Adding Machine
This machine may be able to add more numbers, but it’s still not as good as the K’Nex Calculator:
Technorati Tags: Woodworking
Filed by Adam College at 10:38 am under Olin
This machine may be able to add more numbers, but it’s still not as good as the K’Nex Calculator:
Technorati Tags: Woodworking
Filed by Adam College at 10:38 am under Olin