FARRAH MAFFAI A young boy (above) practices to perfect his skills at the Wac-a-Mole game at the Middlesex County Fair in East Brunswick on Saturday. After a challenge from her friend, a fairgoer (below) tries to defeat gravity’s pull and hang on to the ladder while trying out the Survivor Challenge.FARRAH MAFFAI A young boy (above) practices to perfect his skills at the Wac-a-Mole game at the Middlesex County Fair in East Brunswick on Saturday. After a challenge from her friend, a fairgoer (below) tries to defeat gravity’s pull and hang on to the ladder while trying out the Survivor Challenge.