CB2 Abacus ($149) might jog your" />
Sep 3, 2010 11:42 AM
Do you remember how to use an abacus? We're guessing probably not (We freely admit that we don't!), but this CB2 Abacus ($149) might jog your memory.
P.S. - It'd be a great gift for any math teacher or accountant pals, too!