A sport rocket at its core, this multistage flying model rocket can reach altitudes of 1000 feet! A colorful 18 inch parachute provides a soft landing, so the Boosted Bertha can be quickly prepared for another launch.
Everyone builds and flies the family of Der Red Max rockets. Make sure your own collection includes our 3 inch diameter, 29 inch tall version! Includes 29mm engine mount with no forward retainer ring allowing a wide variety of engine choices.
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AeroTech RMS-75 75mm Reload Adapter System - 75RAS
As you may have already heard, some Aerotech motors are being discontinued.
Pre-orders are open now through April 15th. After that, we cannot guarantee any availability.
All orders placed will be fulfilled from this final batch, which Aerotech expects to ship as they become available over the next year, as late as April 2027.
AeroTech RMS-29 29mm 100 N-Sec Aluminum Motor Case - 2910C
AeroTech G79-4W 29mm x 124mm Single Use 1-Motor Pack - 77904
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
AeroTech J570W-14A RMS-38/1080 Reload Kit (1 Pack) - 105714
AeroTech F22-5J RMS-29/40-120 Reload Kit (1 Pack) - 62205
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.