I'll ask my neighbour where they got theirs when I go round to stab him to death with a rusty fork after finally snapping from the squeek, squeek, squeek, squeek, boing, squeek, squeek, scream, squeek, shout, squeek, squeek, boing, daddy he's done this, squeek, squeek, squeek, she's not letting me have a go, squeek, squeek, boing, crash, scream, sirens, ambulance etc etc etc etc everytime I open the window.