Just pull and push the water gun.

You can also play in the water even in the bath. Press the Anpanman part to launch water.
Simple and easy to use style.

(From Amazon.co.jp)

From the Manufacturer

Anpanman Big Water

Recommended Age: 3 years and up.

Size (W x H x D): 2.6 x 10.0 x 2.2 inches (65 x 2

Can be used in the bath or pool.

Set Contents: Main unit x 1