LEGO Supergirl Mini-Figure Giveaway - 1,455 Winners! One Day Giveaway, Ends 9AM on Sunday Morning. This one is structured in an interesting way according to rules is broken up into 41 different 30 minute entry periods. You can basically enter every half hour if you wanted, up to 10 times. But even more interesting is they pick 35 winners for each entry period. So basically if you are up at some weird hour of the night when nobody else is entering it's probably a guaranteed win. In any case just enter and GOOD LUCK!