Usualy it is log in events. You log in at certain time and you get some items. Sometimes they just gives you items randomly. I just check web depot randomly. It used to be good items about a year ago. Now web depot sucks if you ask me.
The webdepot is a 1 hour login event (stay logged in for an hour for a few days straight and get a prize).
Current event lasts 3/1/13~3/17/13
Conditions for the activities
Reward props
Quantity
The number of days of on-line accumulated up to 3 days
Intermediate pet food
1
Accumulated up to seven days the number of days of on-line
EV oblivion Appendix
5
Cumulative days up to 10 days on-line
Clothing attribute ball
1
Cumulative days up to 13 days on-line
Cash Mini capsule toy coins
5
Cumulative days up to 15 days on-line
Fukubukuro (small)
1
The webdepot is a 1 hour login event (stay logged in for an hour for a few days straight and get a prize).
Current event lasts 3/1/13~3/17/13
Conditions for the activities
Reward props
Quantity
The number of days of on-line accumulated up to 3 days
Intermediate pet food
1
Accumulated up to seven days the number of days of on-line
EV oblivion Appendix
5
Cumulative days up to 10 days on-line
Clothing attribute ball
1
Cumulative days up to 13 days on-line
Cash Mini capsule toy coins
5
Cumulative days up to 15 days on-line
Fukubukuro (small)
1
Hope this helps
Just a note on that,the prices comes after the end of log in event...