|LEGO → System → Ninjago|
It contains Slithraa, his spinner, a spinner crown, Slithraa's character card, four battle cards, the Hypnobrai Snake Staff, a sai on a chain, a transparent blue viper and a few tan bricks. The spinner is gunmetal and two different shades of transparent blue with a transparent blue crown on it.
- Slithraa has 200 Fire SP, 100 Lightning SP, 300 Earth SP and 500 Ice SP.
- This is the only spinner to include a Snake Staff.
- On the back of 9555 Mezmo this spinner is in the "Coming Soon" category.
- Even though Slithraa isn't the Hypnobrai General anymore, he has the Hypnobrai Staff in this set.
- The Hypnobrai Snake Staff does not appear in any other summer set except the Snake Card shrine.