Do you love building with LEGOs? Want to show off your most creative creations? The Ward Melville Heritage Organization will present its 4th annual LEGO Building Block Contest & Exhibit at the organization’s Educational & Cultural Center, 97P Main St., Stony Brook, from Sept. 17 to Oct. 16.

Grab your family, friends, Scout troop, church group or school club and start building! Teams may be individuals or groups up to five members. Prizes will be awarded at a celebration on Oct. 16. All submissions must be original creations. Predesigned kits or projects found online will not be accepted. Entry fee is $20. Deadline for submissions is Sept. 5.

For an official entry form, visit www.wmho.org. For more information, call 631-751-2244.