Complete the following sentence: As a 15-year-old Eichel represented the United States at the 2012 Winter Youth Olympics. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️
2014 IIHF World U18 Championships, and he competed as a 17-year-old as Team USA's youngest player at the 2014 World Junior Ice Hockey Championships. Eichel represented Team USA in the 2015 World Junior Ice Hockey Championship. <unk> Eichel represented Team USA in the 2015 World Junior Ice Hockey Championship.