Sand Timer
What you would need-
-2 Bottles
-hot glue gun
-sifted sand
-bottle lid
-something to cut a hole
-tape - optional
-cardboard -two
How To Make it
First You Cut the top of two bottles.
-next get a lid then cut a hole in it.
-glue the two bottles to the lid.
-hot glue around the lid to assure no leakage.
-put a cardboard at the bottom of the bottom bottle and glue it to the bottle.
-Put your sifted sand into the bottles.
-Then glue the top cardboard on.
The problem I had was sand pouring out the sides because we didn't glue it properly.We did the obvious fix to it and covered the holes with glue.
