A miniature version of one of the most popular kits of all time, the Big Bertha. There’s nothing childlike about the Baby Bertha! It’s fun to build and decorate.

Grow your own plastic parts! The bulk pack comes with enough materials to build 12 rockets with your grown parts. A great value!

45 inches tall! E16-6 and F15-8 engine powered!

ATTENTION: Requires PS II Launch Base (3552) with 1/4″ launch rod or Porta-Pad E Launch Pad (2238) and E Launch Controller (2230) or Pro Series II Launch Controller (2240) with 30′ of wire – Sold Separately

Download Instructions

The Belt Object Survey Ship (B.O.S.S) was designed over 40 years ago, in a time where nuclear propulsion and solar power were the latest in space flight innovations. Bill Simon created designed this one-of-a-kind rocket in partnership with Estes. This long-awaited prototype is being released for the first time. Experience innovation from days past with Estes’s Belt Object Survey Ship.

• Skill Level: Advanced
• Estimated Assembly Time: 2-3 hours
• Length: 27.8 in.
• Projected Altitude: 600 ft.
• Recommended Engines: c6-5, B4-4, B6-4

ENGINES FOR MODEL ROCKETS

2 – E16-0 Engines
2 – Starters
4 – Starter Plugs

ATTENTION: Additional Hazardous Materials shipping and handling charge of $35.49 will be applied at checkout.

ATTENTION: These engines cannot be sent to post office boxes. Please be sure to provide a PHYSICAL ADDRESS when purchasing E and F sized engines.

• Gets it straight, every time
• Allows for accurate and consistent fin placement
• Works will all Estes body tubes

This impressive model rocket kit includes eye-catching features like laser etched fin and wing panels, amazing surface mounted details, authentic-looking plastic engine nozzles, and colorful water-slide decals.

While its real-life counterpart glides home after inserting a second-stage booster pod into orbit, the Estes® LEO Space Train™ launches on a single-stage C6-3 engine, reaching up to 300 feet, and returns gently to Earth under its own, 18 inch parachute. The realistically styled LEO Space Train looks great on the pad and on display. Rocketeers definitely want this one in their fleet!

A GREAT combo! A GREAT price! Launch Pad and Launch Controller included!