Plywood Upgrade Sets

These 1/8 inch thick plywood replacement fins for the Estes Doorknob kit are a great option to improve your build strength and durability over the stock multi-part balsa fins that can be damaged in transit or during assembly.  Laser cut to the...

These 1/8 inch thick plywood replacement fins for the Estes Der Big Red Max kit are a great option to improve your build strength and durability over the stock multi-part balsa fins that can be damaged in transit or during assembly.  Laser cut to...

These 1/8 inch thick plywood replacement fins for the Estes Super Big Bertha kit are a great option to improve your build strength and durability over the stock balsa composite fins that can be damaged in transit or during assembly.  Laser cut to...

These 1/8 inch thick plywood replacement fins for the Estes Der Mega Red Max kit are a great option to improve your build strength and durability over the stock composite fins that can be damaged in transit, during assembly, or in flight.  Laser cut...

Upgrade your Big Daddy fins and centering rings to plywood, through-the-wall fins! Strong plywood construction and TTW design ensures that you spend more of your flight time flying, and less time repairing broken fins. The forward centering ring features...