The Fly Master Sword is an undersized, economical aluminum butterfly yo-yo that uses a size D ball bearing axle. Surprisingly, its play performance is on the same level as that of some $50+ undersized yo-yos in my collection. Made in China.
Recipe
Diameter: 50 mm
Width: 37 mm
Weight: 52.6 gm
Body material: 6061 aluminum
Bearing size: D
Collected April 4, 2020
Original retail price: 2500 Yen (about $24 US).
To see all mini yo-yos in this museum, in the left panel, click Exhibits.
In the right pane, in the Name/Model field, type mini, then click Browse.
