How to use - Compressed air rocket

Take the rocket between two fingers and squeeze it slightly to open it's tube.

Slide the rocket over the straw of the bottle, stopping a little before touching the end.

Aim in front of you and squeeze the bottle vigorously to compress the air and expel the rocket.

You can also put the bottle on the ground and direct the rocket vertically thanks to the straw folding part.

Then vigorously crush the bottle with your foot for an amazing takeoff.

Small video showing the montage.