public marks

PUBLIC MARKS with tags science & diy

2008

2007

2006

Sundials on the Internet - Five sundial projects for you to make

by phgod
利用簡單的工具,便可自製日昝進行時間測量,十分有趣。

2005

Science Toys

by wyliej & 12 others
Science Toys You Can Make With Your Kids

2004

Active users

jdrsantos
last mark : 08/05/2008 13:51

jsquared71
last mark : 07/03/2007 16:00

sunny
last mark : 22/09/2006 22:36

phgod
last mark : 12/01/2006 13:16

cblackburn
last mark : 10/01/2006 19:22

Sya
last mark : 27/12/2005 01:24

jeeves
last mark : 16/12/2005 00:34

blogsir
last mark : 05/12/2005 00:05

dharmesh
last mark : 29/11/2005 22:31

wyliej
last mark : 27/04/2005 13:37

lawoman
last mark : 14/03/2005 23:03