Pratt Hobbies, Inc.
Rocketry Catalog
 Innovative Launch Systems and Accessories
for Model Hobbyists

Doug Pratt's other hobby is narrating audiobooks!

 Check out some of his  narrations available on!

- All Products
- Browse Categories

Home » Electronics


MARSA54L Flight Computer


The MARSA54L is a true flight computer, one of the most programmable and versatile flight controllers available. It has both an accelerometer and an air pressure sensor, and is completely programmable with the onboard display and joystick. A USB port and MarsaConnect software allows easy download and graphing of flight data. Compatible with future MarsaNET wireless products. For detailed information and the users manual, see our Info Pages.

We include an untrabright status LED and cable that can be mounted on the outside of your rocket and allows you to verify flight ready status from 100 feet away (a $6 value). 

Price: $179.00
Out of Stock

Pocket Igniter Tester


Test your igniters and ejection charges before launch to make sure they'll work! The Pocket Igniter Tester sounds a tone when it detects a complete circuit. Safe for use with low-current igniters (electric matches). Battery not included.
Price: $9.00



12 volt battery for the MB-12 MicroBeacon.
Price: $1.79



The MicroBeacon helps you find your model in the tall grass! Requires 12v battery, our MBB-12 or Duracell #21/23.

Price: $12.00

CANSAT Kit Model 2.0


The Rev 2 CANSAT kit is an update of the original with the USB integrated into the processor board, a terminal block for connecting a battery, and a power switch. The UART port has been updated for full UART signal access and a new connector has been added to provide access to two PWM ports for controlling servos. The sensor board has been updated with a new pressure sensor and two sensor expansion ports. The kit is compatible with the previous version. Lesson material has been rewritten.

Price: $199.00
Out of Stock

CANSAT Transmitter


The CANSAT Transmitter board is now available separately. Two frequencies are available. The board is also available with an antenna connector for $10 extra.

The CANSAT Transmitter can only be sold to HAM Licensees. You must include your call sign in the Comments block in the shopping cart.

Full details and diagrams

Price: $89.95
Out of Stock


Guy Help!
Are you clueless when it comes to finding gifts for your Significant Other? Welcome to the club. We found professional help, from a rocket wife who offers Avon products!


For the best in rocketry simulation software, building supplies, and excellent kits, we recommend
Apogee Components!


Pratt Hobbies
11556 Platten Rd
Lyndonville, NY 14098