The BKA currently approves the following models of kendama for use in competitions:
Fuji, Shin-Fuji, Mugen, Sakura, Shin-Sakura, TK16, Ozora, Sunrise.
Only one kendama may be used by a competitor. |
The following lists show which modifications to kendamas are allowed or not. Judges may use their discretion, but if there is any doubt, they may ask a competitor to use different kendama.
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Allowed Modifications
- Replacing the string
- Re-stringing from right to left-handed, or vice versa
- Adding or replacing a bead
- Glueing sara-do to the ken
- Reinforcing the tip with glue (down to the end of the tip's slope only)
- Tying a knot in the string, above the ball, to prevent the bead slipping
- Natural wearing-in of a kendama through use
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Disallowed Modifications
- Adding glue below the tip's slope
- Altering the ball's (paint) surface in any way
- Sharpening the spike
- Re-building a bluntened spike with resin, or other substance
- Adding any markings to the ken or ball
- Removal of original sticker/seal
- Mixing parts of different kendamas
- Modifying the ken or dama in any way that alters the original shape of the design (other than through natural use)
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