The Trumbull Nature and Arts Center (TNAC), located at 7115 Main St., Rt. 25, is offering the following programs. Space is limited. Visit trumbullnatureandartscenter.org for more information and to register.

Letterboxing — Travel through our property in an adventurous journey. Learn about letterboxing as we find each stop and stamp our booklets. A fun mysterious hunt for all, Saturday, June 27, 10-11:30 a.m.; ages: 5+; cost: $7/child.

Introduction to Archery — Introduction to archery equipment, safety and shooting techniques.  Supervised by a CT DEEP instructor. Sunday June 28, 9-11 a.m.; ages: 8+; cost: Free (limited spots available).

Habitat Hike — If you like exploring fields, forests and ponds then this class is for you. Come and discover what types of animals live in different habitats and why. Help us keep track of the sights and sounds around us, Saturday, Aug. 1, 10-11:30 a.m.; ages: 5+; cost: $7/child.

Pre-registration required.