KNOCK KNOCK Door Prank

You always wanted to play a Knock Knock sound?

Impress your friends with this sound effect!

Download KNOCK KNOCK Door Prank and play the original sound with just a button press.

FEATURES:

1.Vibration

2.Extra loud sounds

3.3D Animations

4.Beautiful coloring

5.Several sounds

HOW TO USE:

Press the button to play the sound!