3rd Billericay Scout Troop

Take a rectangular sheet of paper.
Fold from top to bottom, and from left to right, making creases, and then open out again.

Fold in each corner along centre crease.

Fold left half over and on top of right half.

Hold bottom half down with left hand, slide right hand (palm towards you) inside top half.

Pull top half towards you while flattening the top half with your opened-out right hand, palm downwards.

Remove right hand, crease well.

Hold bottom half down with left hand.

Turn lower point of top square up to meet the top point.

Hold top half down with left hand. Slide right hand inside bottom half

Pull bottom half towards you while flattenning the bottom half with your opened-out right hand, to cover the top half

Fold bottom point up to top point. Crease well.

Turn banger to right, Pick up in right hand at the bottom but then turn point 'B' to face away from you

Push corners 'B' and 'C' together away from you and pinch bottom of both sides together. Snap banger downwards away from you

One or both 'pockets' will have banged. If only one, snap it again to let the other pocket bang.

To repeat, tuck both 'exploded pockets' back into the banger.