The following events are open for preregistration. They are sponsored by the Howard County Department of Recreation and Parks unless otherwise noted.

LIBRARY NIGHTTIME PARTY, for ages 11-14, 6 p.m.-midnight April 25, a scavenger hunt, karaoke, videos, games and crafts, time also set aside for reading, board and computer games and more, signed permission slips required in advance, sponsored by the Howard County Library, East Columbia Branch, 6600 Cradlerock Way, Columbia. Free; preregistration required. 410-313-7700.

SENIORS CRAFT CLASS, for ages 55 and older, 1-3 p.m. April 25, make a treasure box for storing jewelry, buttons or trinkets using a wooden box, add decorative paper and decoupage to seal it, Colonial Landing Apartments, 6391 Rowanberry Dr., Elkridge. $6; preregistration required. 410-313-7279.

SENIORS VIRGINIA TRIP, for ages 55 and older, a bus trip to Richmond, 8 a.m. May 1 through 8 p.m. May 2, led by D.C. tour guide and historian Ann Dyer; May 1, tours of the Lewis Ginter Botanical Gardens and Agecroft Hall (a 15th-century house built in Lancashire, England, dismantled, shipped in the late 1920 and reassembled in Windsor Farms) and an evening riverboat cruise along the James River; May 2, tours of the Wickham House at the Valentine Richmond History Center and the White House of the Confederacy; price includes overnight accommodations, tour fees, one dinner, one breakfast and one boxed lunch; call for departure points in Howard County. Double occupancy, $250; single occupancy, $325; preregistration required. 410-313-7279.

SENIORS MAY DAY CELEBRATION, for ages 55 and older, 10:30-11:30 a.m. May 1, entertainment and refreshments, Owen Brown Senior Center, 7880 Cradlerock Way, Columbia. $2; preregistration required. 410-313-7279.

RETIRED OFFICERS' WIVES CLUB TEA, for wives of active and retired military personnel of all branches, their families and guests, 11 a.m. May 6, a tribute to motherhood, including music, sandwiches and sweet treats; wear optional fancy hats and gloves, Club Meade, 6600 Mapes Rd., Fort George Meade. $10; preregistration required. 410-956-0615.

-- Compiled by Linda James