I had to do a 15 minute class at the MO Botanical Garden Earth Day thingy. It was tough to do 15. I can imagine how hard 3 would be.
They're always searching for new topics. One of the college continuing ed coordinators joined our local chicken group to find someone to do a class. Since I had been doing adult education most of my life and had a lot of experience in both small flocks and commercial poultry I seemed like the perfect fit and I love doing it.
I also did a college for kids program a couple summers ago. It is for gifted kids. They have to be in some kind of advanced academic program but it is for those that have completed grades 1-8. 1-4 is in the morning session and 5-8 is in the afternoon and covers a week.
I did basically the same thing for both groups but day 1 was on backyard poultry. The coop fairy brought her turkey and a couple of her tame chickens to class. (none of mine would have accommodated the kids) For the take home project, they had a world map and had to find countries where different breeds originated.
Day 2 was on bees and native pollinators. I took a complete bee hive (minus the bees) to class and even brought a queen cage and package cage. The kids all made a native pollinator house to take home.
Day 3 was on gardening for wild birds and butterflies. They made a feeder from large pine cones, peanut butter and bird seed.
Day 4 was gardening in general and for the take home they planted a flat of their choice of vegetables, herbs or flowers.
Day 5 was parent day where they could participate and the topic was fungi- the whole fungi world. I brought small logs and plug spawn of their choice - oyster or shitake mushrooms. The parents helped drilled the holes and I had bees wax to seal the plugs.
I liked the class but it was so much work, I never volunteered to do it again.