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Picture of LED cardboard coaster
Have you ever put a cup of whatever drink on a table without a coaster it pretty much ruins the table.This instructable will teach you how to make a custom LED cardboard coaster, to save your table and find your drink in the dark.

Step 1: Supplies

Picture of Supplies
You will need:

- 1 piece of 3 1/2 x 3 1/2 inch cardboard square
- 1 piece of 3 1/2 x 3 inch cardboard square
- 8 pieces of 1x1 inch cardboard
- gorilla glue
- a push pin
- a 10 mm LED light
- a 3 volt battery
- a ruler
- sandpaper (optional)
- and a place to work
 
how about makeing a double layered L in which the Monker is on the side So the drink doesn't fall
Creativeman6 years ago
Does the drink sit on the gorilla, and is there a switch for the led? Cman
GianniMora (author)  Creativeman6 years ago
The drink does sit on the gorilla and there is no switch but you could add one.
would wanna a great log life battery if no switch
TRUE DAT ;D
GianniMora (author)  james.mcglashan6 years ago
What?
long**not log
Tunja6 years ago
Good way to stay green, really needs an off on switch for the LED light. |o..O|