For Roswell Flyer / X-4 / DraganFlyer 4-rotor set 2 each left-hand rotation and right-hand rotation. (Require minor sanding to clean up the edges before use as shown in the Flyer manual.) Sanding Sticks work great for this.
Rotor Blade Set - $19.50	Quantity:   12
Some people like to keep a few spares around "just in case":
3 Complete Rotor Sets - $55 (Save $3.50)		Quantity:   12 34 56 78 910
Replacement Nylon Screws Set of 4 - $2.50		Quantity:   12 34 56 78 910

Foam Sheets	Zepron (white - thick, medium, thin)       Depron (white, 3mm)
Carbon Fiber &Composites	Smooth Carbon Tubes     Tube Ferrules     Wrapped Carbon Tubes Round CF Rods     Flat CF Rods     CFF Fittings     Fiberglass Rods Carbon Strips     Carbon Tow     Kevlar Tow     Carbonara
Electrical Stuff	CS Shrink     Flex Shrink     Silicone Wire     Servo Wire JiffyPin Connectors     JST Connectors     Other Connectors
Tools	Carbon Cutter    CS-3 blades   Mini-Tool Sets   Sanding Sticks "Crazy Knife"   Mini Saw Blades   Dial Caliper   Rotary Cutter Compass Cutter   "Mother of All Scissors"   Hold-It's
Stick'ums	Blenderm     CA Glues     Transfer Tape
Other	Prop Adaptors     Du-Bro Parts     Sulivan Parts DraganFlyer / RoswellFlyer Rotors Other PF Stuff     TT Inserts     Lights, Lights, Lights!