badBrick - Echo Box, Base mount and Top.

This is the base mount and Top to make yourself an Arduino based Echo Box, Distance Sensor.
The set slides on top of this thing http://www.thingiverse.com/thing:107982

The badBrick Echo Box is a complete kit. Fun for learning to program and play with an Arduino UNO R3. It comes fully assembled and works as a basic measurement tool. You can write a variety of sketches using the Ultrasonic sensor as well as program the LCD and all the buttons.
If you would like one, you can get the full Ech