PLEASE ANSWER HELP HELP HELP HELP?

alright,so I may have left my science experiment a tad to late...its 7 pm and I need all these things by tomorrow. 2 petri dishes,arga (i think thats what its called) and an incubator....yeah so what can I use for substitutes for them? can I use jam jar lids for petri dishes? and what to use for incubator....lol thanks.