Deactivate the indicated number of Sand Gates to earn the corresponding reward:

Fourth Sand Tank: 1 Sand Gate
100 Sand Credits: 2 Sand Gates
Eye Of The Storm Time Power: 3 Sand Gates
Fifth Sand Tank: 4 Sand Gates
150 Sand Credits: 5 Sand Gates
Winds Of Sand Attack: 6 Sand Gates
Sixth Sand Tank: 7 Sand Gates
200 Sand Credits: 8 Sand Gates
Sand Storm Attack: 9 Sand Gates