The Hooksett, N.H. Lions Club presents it's 21st annual Model Railroad Show at the Hooksett Cawley Middle School , Route 27 (89 Whitehall Rd.), in Hooksett. Location is one mile from Route 3. Vendors, operating layouts, clinics and a white-elephant table are featured. Food is available. Adults-$4.00; Children 6 to 12 yrs.-$1.00; Children under 5 yrs.-free. Maximum family rate-$10.00 For information: 603-485-3881 E-mail firstname.lastname@example.org The Boston & Maine Railroad Historical Society will have tables at this show.