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

Beautiful Bubble Art — Saturday, June 17, 10-11:30 a.m. Ages 4-8 (parents welcome to stay). Cost: $20/child. Paint gorgeous hydrangea flowers using watercolor bubbles and cut construction paper leaves. Enjoy these colorful flowers all year long.

Great Firefly Roundup — Saturday June 24, 8-9:30 p.m. Cost: $5 per child. All ages: Adults and children under age 3 are free. Gather at sunset and learn about fireflies as we celebrate this curious insect. Learn why fireflies glow and grab a net and jar before venturing into the summer night to catch and release as many fireflies as you can. After your search, make a fun firefly craft to bring home.