Gas Mask

Materials

•2l bottle
•200ml bottle
•Duct tape
•Activated charcoal
•Cutter

•Ligther
•Paint(gold,silver,Brown)
•Elastic band
•Cardboard
•Black spray Paint
•Cotton pads

Procedure

1.Cut the bottles
2.Put tape around the edges
3.Take the small bottle, put cotton and charcoal inside
4.Stick the two bottles together
5.Put straps on the mask
6.Decorate the mask