Kits YOU Build!

Theta 13 Model Rocket Kit


Retail Price: $8.95
ASP Price: $7.95 each
You Save $1.00!
  6+: 6.49 each
12+: 5.49 each
24+: 4.49 each


Great beginner's kit! Easy to build & fly - designed for use in school & other group settings. Makes a great first or second rocket kit! Designed with the beginner in mind, but it's also a fun sport flier for modelers of any experience level.
Features laser-cut balsa fins and balsa nose cone & streamer recovery. Designed to fly on economical 13 mm "Mini" engines.

Good model to use to learn basic rocketry modeling. Perfect for school or scout groups - economical bulk packaging available. For the discounted quantities of 6 or more the kits are provided in bulk form with a single set of instructions (which may be photocopied if desired for each modeler). Parts for the kits are provided in bulk packing which you then distribute to the modellers, some items (shock cords, shroud lines, etc.) may also require cutting to length - see the "
Additional Instructions/Notes for Teachers/Group Leaders" link below for more details. Kits do not come individually bagged at the discounted bulk prices.


Diameter: 0.74"/18.8 mm
Weight: 0.6 oz/17 gm
Streamer Recovery
Recommended Engines: 1/4A3-3T; 1/2A3-2T; 1/2A3-4T; A3-4T; A10-3T
Skill Level: Beginner

Estimated (calculated) altitudes:

with 1/4A3-3T: 105 feet/32 meters
with 1/2A3-2T: 230 feet/70 meters
with 1/2A3-4T: 255 feet/78 meters
with A3-4T: 535 feet/163 meters
with A10-3T: 495 feet/151 meters

What you'll need to build this model:

Required: Adhesive (A wood glue, such as Elmer's Carpenters Glue or Titebond can be used for all steps and is recommended); sandpaper (medium - 220 or 280 grit); pencil or ball point pen; scissors or hobby knife; tape (cellophane or masking).
Optional: sandpaper (fine - 320 or 400 grit, extra fine - 500 or 600 grit); filler material (such as Elmer's Fill & Finish, Elmer's Professional Carpenter's Wood Filler or interior spackling paste); sanding sealer (or balsa fillercoat); thinner (appropriate type for the sanding sealer); small paint brush; paint (Spray paint, such as Krylon, Pactra or Testors is recommended. Be sure not to mix different types or brands of paint without testing.) - primer; colors as desired & clear; sanding block; tack cloth.

Check out our "Basic Building" Combos if you need a lot of the items above at a discounted price!

What you'll need to fly this model:

Electronic launch system; launch pad with 1/8" launch rod; recovery wadding; engines (see list of recommended engines above).

Want to fly a payload? You can easily add the Simple Payload Sections size 20! They are also available in bulk pricing and you can see them here. If you want a see-thru payload section we also have Clear Simple Payload Sections size 20 here!

You can read the instructions for this kit by clicking here.

You can download extra copies of the tube marking guides for use with bulk packs by clicking here.

Additional Instructions/Notes for Teachers/Group Leaders using bulk packs are here.