Categories
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- Parts->
- |_ Body Tubes->
- |_ Centering Rings->
- |_ Couplers
- |_ Engine Retainers
- |_ Fins
- |_ Launch Lugs
- |_ Motor Mount Kits->
- |_ Motor Retainers
- |_ Nose Blocks and Bulkheads
- |_ Nose Cones->
- |_ Recovery->
- |_ Transitions
- |_ Other Parts
- Launch Sets
- Supplies->
- Motors (Engines)->
- Other->
- Basement
The Estes Design to Fly Builder Kit includes components to build up to six rockets of your own design.
What’s Included:
- (2) BT20 - 18" Body Tubes
- (2) BT50 - 18" Body Tubes
- (2) BT55 - 18" Body Tubes
- (4) BT20 - Mylar Retaining Rings
- (4) BT20 - 2.75" Engine Mount Tubes
- (1) BT20 - Plastic Blow Mold Nose Cone
- (1) BT20 - Plastic Injection Mold Nose Cone
- (2) BT20 - Plastic Nose Cone Inserts
- (1) BT50 - Plastic Blow Mold Nose Cone BB
- (1) BT50 - Plastic Injection Mold Nose Cone
- (1) BT50 - Clear Plastic Nose Cone Insert
- (1) BT55 - Plastic Blow Mold Nose Cone AC
- (1) BT55 - Plastic Blow Mold Nose Cone AO
- (4) Adapter Rings AR520 1" Orange
- (8) Adapter Rings 2050 Green
- (6) Engine Blocks EB-20A Yellow
- (4) Engine Hooks
- (4) 3" Launch Lugs 1/8"
- (6) 1/8" x 36" Rubber Shock Cords
- (2) 12" Parachutes Orange
- (2) 15" Parachutes Purple
- (2) 18" Parachutes Blue
- (4) 12" x 4" x 3/32" Balsa Sheets
- (2) 12" x 4" x 1/16" Balsa Sheets
- (1) Laser Cut Centering Set
- (2) Bags of Clay
- (1) Printed Fin Pattern Sheet
- (1) Printed Shock Cord Mount Pattern Sheet
- (1) Model Rocket Technical Manual
- (1) Safety Code/Warranty Sheet
Product photos are for illustrative purposes only. Actual products may vary in color, design, or packaging.
This product was added to our catalog on Tuesday 09 June, 2026.

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