Strobetronic.jpg
From the MAKE Flickr pool

Another very original enclosure design, this one goes knob-less. Flickr member Rarebeasts writes-

This unit makes a huge range of strange noises. You start by setting the controls on the top of the unit, this sets up a sweep on the LEDS, by moving the LEDs around the light sensors a basic noise loop is set up. Combinations of frequency, volume and the two LEDs make for interesting sounds.

Somewhat reminiscent of salt & pepper shakers, and cylindrical is very ‘in’ this season! –Link

StrobeTronic details, pics, and video –Link

Related:
Thingamagoop
Bleep Labs photos! –Link

In the Maker Store:
Noise Toy Kit
Loud Objects Noise Toy Kit –Link