Established in 1957, Thorne’s Summer Camp reaches more than 1,500 youth each summer through field-based ecology “Camp Experiences” for kids ages 3-15. Learning takes place through hands-on, science-based, experiential activities. Now you and your preschool age child can enjoy the adventures of Thorne Summer Camp. Join Thorne instructor Gwen Tenney, an experi- enced early childhood and nature educator, to explore many habitats of Boulder. With this $20 gift certificate you also get a ball cap.