by

Armando castillo

2014-02-04 15:10:07 UTC

2014-02-04 15:35:10 UTC

Papyrus was made about 5,000 years ago

2014-02-04 15:35:15 UTC

Abacus

2014-02-04 15:35:19 UTC

2014-02-04 15:37:42 UTC

Gun powder is a dangerous powder and should not be used for children

2014-02-04 15:39:00 UTC

2014-02-04 15:39:24 UTC

Station 4 it got,better and we got books and papers

2014-02-04 15:44:24 UTC

Abacus is important because it is math

2014-02-04 15:44:26 UTC

Without a compass people wold

2014-02-04 15:52:53 UTC

Life is esier

jesus_mendiola — 2014-02-04 15:55:46 UTC

jesus_mendiola — 2014-02-04 15:56:03 UTC