For those serious about free flight, this add-on kit has everything you need to customize and maintain your Flying Martha. Create your own wing and tail designs, make repairs, or grease up the rubber band for more power.
- 4 oz. machine oil to lightly grease rubber band
- Sheet of stickers to experiment with balance
- 3 sets of die-cut mulberry paper wings & tails
- UHU glue stick
- 1/4" thick FAI tan sport rubber
- 3 stoppers for arm and crank posts
