Oh you play dirty Jen

I need to hang around you.
I'm guessing (even expecting) the tickets to be over the $100 mark.

David Attenborough's tickets through Lateral events (same organisers for this event) was around the $130 price. Which is why I didn't end up going to that one.
I can't see it being a problem with taking your 12yr old son

, esp. for a science talk.