▁to ▁identify ▁the ▁vict ims ▁as ▁well . ▁ ▁Premier ▁Res cue ▁challenge ▁Premier ▁Res cue ▁is ▁pract iced ▁in ▁the ▁Australian ▁Rob o C up ▁Junior ▁competition . ▁It ▁is ▁very ▁similar ▁to ▁the ▁Australian ▁Res cue ▁challenge ▁except ▁for ▁some ▁minor ▁add itions . ▁The ▁teams ▁must ▁capture ▁the ▁object ▁within ▁the ▁marked ▁area ▁and ▁place ▁it ▁on ▁a ▁platform . ▁This ▁is ▁more ▁difficult ▁than ▁the ▁regular ▁Australian ▁Res cue ▁challenge ▁because ▁the ▁participants ▁must ▁construct ▁a ▁device ▁to ▁secure ▁the ▁object ▁and ▁lift ▁it ▁onto ▁the ▁platform . ▁ ▁On Stage ▁challenge ▁Before ▁ 2 0 1 5 , ▁it ▁was ▁divided ▁into ▁Dance ▁and ▁Dance ▁Theatre ▁Challenge . ▁ ▁After ▁ 2 0 1 4 , ▁it ▁merged ▁to ▁have ▁a ▁single ▁division ▁called ▁On Stage . ▁ ▁Dance ▁challenge ▁( before ▁ 2 0 1 5 ) ▁ ▁A ▁team ▁creates ▁both ▁a ▁robot ▁and ▁a ▁dance ▁composition . ▁The ▁aim ▁of ▁the ▁competition ▁is ▁to ▁create ▁a ▁two - min ute ▁dance ▁performance ▁ch ore ograph ed ▁to ▁music ; ▁with ▁particular ▁attention ▁going ▁to ▁construction ▁and ▁programming . ▁ ▁Team ▁members ▁can ▁join ▁in ▁to ▁dance ▁alongside ▁the ▁robot . ▁A ▁panel ▁of ▁jud ges ▁dec ides ▁the ▁winner ▁based ▁on ▁a ▁number ▁of ▁different ▁criteria . ▁The ▁dance ▁competition ▁is ▁most ▁popular ▁amongst ▁younger ▁students , ▁mostly ▁of ▁primary ▁school ▁ages . ▁ ▁The ▁rob ots ▁range ▁in ▁size ▁from ▁ 1 0   cm ▁tall ▁to ▁ 2 / 3 ▁meters ▁tall ▁with