Shaco skin and 3 champions from boxes gone!!!!

Please help i got Shaco skin from the box and I have taken it but its completely gone !! I really wanted that skin and now.. it's not there I have looked everywhere and I can't find it !! Aswell as my 3 new champions garen, vi and ashe are gone (they were from the boxes too). Please help I want them back :(( [zombie-nunu-tears]