What: Guide and expert Perry Nugent will lead a bird walk at Magnolia Plantation, in search of the 254 migratory and year-round bird species that can be found on the grounds.

when: 8:30 a.m.

Where: Magnolia Plantation and Gardens, 3550 Ashley River Road, Charleston

Price: $6 members, $17 non-members; price includes general gardens and grounds admission all day and one additional day within a week of purchase.

more info: magnoliaplantation.com/bird_walks.html

What: Splash Zone Waterpark at James Island County Park, Splash Island at Mount Pleasant Palmetto Islands County Park, and Whirlin' Waters at Wannamaker County Park in North Charleston are now open weekends only.

when: 10 a.m.-6 p.m.

Where: Splash Zone, 871 Riverland Drive, James Island; Splash Island, 444 Needlerush Parkway, Mount Pleasant; Whirlin' Waters, 8888 University Blvd, North Charleston

Price: See website for parks' pricing details.

More Info: ccprc.com/index.aspx?nid=1657

What: The Lowcountry Highrollers are recruiting women for the season and the Recreational Derby League will host Derby 101 to get up-to-speed on stops, falls and more. Please bring a mouth guard and wrist guards.

When: Noon-2 p.m.

Where: Hot Wheels Skating Center, 1523 Folly Road, James Island

Price: $5; additional $3 for skates

more info: lowcountryhighrollers.com

What: Carnes Crossroads will host a street party with live entertainment, refreshments, a farmers market, kids' activities and more.

When: Noon-3 p.m.

Where: Carnes Crossroads, 513 Wodin Place at 1st Ave., Summerville

Price: Free

More Info: 761-8600 or carnescharleston.com

What: This family-friendly festival with jump castles, laser tag, carnival rides, a barbecue dinner and more celebrates the Jewish holiday of Lag B'Omer.

When: 3-5 p.m.

Where: Sweetgrass Pavilion, Mount Pleasant Waterfront Park, 99 Harry M. Hallman Jr. Blvd.

Price: $8 individuals, $36 families

More Info: 571-6565 or southernspirit.org

What: This Old School Championship Wrestling event will feature a return appearance by former WCW superstar Lodi and others for an evening of live professional wrestling.

When: 4:30 p.m. doors, 5 p.m. bell May 18

Where: Hanahan Recreation Complex Gym, 3100 Mabeline Road (behind Trident Technical College off Rivers Ave.)

Price: $10 adults; $5 ages 12 years and under; cash only at-the-door

More Info: 743-4800 or oscwonline.com or facebook.com/oscw.oldschoolchampionshipwrestling