Miles Marshall, 3, of Newmarket plays on a mini excavator at the Deerfield Fair on Friday while visiting with his mom and grandmother.
Miles Marshall, 3, of Newmarket plays on a mini excavator at the Deerfield Fair on Friday while visiting with his mom and grandmother.

New England’s oldest “family fair” opened on Thursday at the Deerfield Fairgrounds, 34 Stage Road, Deerfield. It will be open Saturday 8 a.m. to 10 p.m. and Sunday from 8 a.m. to 7 p.m. with agricultural exhibits and demonstrations, horse riding, baking contests, midway rides, arts and crafts displays and concessions. There also will be truck pull, a dog demonstration, cattle pull, sheep shearing demo, and entertainment on five stages. For more information, visit deerfieldfair.com.