How could I cheaply have an exciting and creative group project?

Please help, I’d like answers by 4/10/16 by 9:00 Est standard time. |xoxo

It’s for 8th grade health in Ohio about the Immune System. We have availability to most internet related things.

We already have:
– 1 Poster
– 1 Puppet show
– 1 Handout
– 1 Vocab Trivia (Oreos as a reward)
We ‘need’:
– Something for them to interact with
-ANY OTHER TIPS, COMMENTS, OR SUGGESTIONS
-ANY QUESTIONS THEY MIGHT HAVE