How to fold the pump?

Inflate the magic balloon. Prepare a magic balloon first, gently pull it a few times to increase its toughness, then inflate it, and reserve 8- 10 cm at the tail. The gas should not be too full, otherwise it will break easily.

Single bubble knot. Hold the balloon head with your left hand, fix your thumb in the twisting position, and gently rotate your right hand clockwise.

Binaural knot twist four single bulbs continuously, put bulbs 2 and 3 together in parallel, buckle them with the left hand, and twist them with the right hand clockwise.

Triple bubble knot. Fold a binaural knot first, put the No.4 light bulb in the middle of the binaural knot, then plug it in and adjust it slightly.

The tulip knot holds the magic balloon in the left hand, presses the air nozzle into the balloon with the index finger of the right hand until the left hand grips the balloon mouth, and then rotates the right hand clockwise to lock it.

Ring bubble knot twist two light bulbs, one is 3cm and the other is 10cm. Put the two ends of the10cm bulb together in parallel and turn it with the right hand.