RUMNEY, N.H. (AP) — Grilled cheese sandwich challenges, sewing creations and chain reaction machines are among the projects scheduled at an upcoming 4-H Makers Expo in New Hampshire.

The University of New Hampshire Cooperative Extension and New Hampshire 4-H are holding the expo for youth and their families on Oct. 16 from 10 a.m. to 1 p.m. at the Rumney Bible Conference Center.

4-H is the youth educational program of the cooperative extension.

Other activities include building a mousetrap car with a goal of traveling as fast as possible, and making a product using raw agriculture materials from the farm, garden, or woods. Participants also can build and race a cardboard tractor.

Registration closes Oct. 4.