beads - MACHIMS
Skip to content Skip to sidebar Skip to footer
Showing posts with the label beads
Counting Machine With Beads

Counting Machine With Beads

Post a Comment
Counting Machine With Beads . By 10s, counting up to 10 objects reliably, counting and addition up … Read more Counting Machine With Beads
Rudimentary Counting Machine With Moving Beads

Rudimentary Counting Machine With Moving Beads

Post a Comment
Rudimentary Counting Machine With Moving Beads . In the beginning, the abacus was just a board with… Read more Rudimentary Counting Machine With Moving Beads