Binder Design's Avionics Bay.

SALEM, Oregon USA — Binder Design is offering a holiday special until January 1st, 2008 to get a free avionics bay kit.  Order any Binder Design rocket kit from their website with a retail price of $99.99 or more and get a Binder Design 3.9" avionics bay kits for free!

This is a $34.99 value and converts any of the larger Binder Design 3.9" diameter rocket kits to dual deployment.

Extra recovery harness and drogue parachute is not included but can be purchased separately. Electronics are not included. 
 
For more details visit: http://www.binderdesign.com/