Group Size Information $300 per session. Includes up to 15 scouts, 5 adult chaperones, Zoo parking, and Zoo admission for the remainder of the day. Animal Observer Badge Groups of 16–30 scouts must register for two sessions. If two sessions are not available for your preferred date and time, please select another date. Bugs Badge Sessions are limited to one session each morning and afternoon. Groups of 16–30 scouts should contact Adventuresinlearning@brookfieldzoo.org before registering to discuss possible accommodations.