The first 200 guests will receive free admission Thursday evening, June 28, at Cranbrook Institute of Science's Family Science Carnival.Here are the details:. It will be held from 6:30 p.m. to 8:30 p.m. at the institute, 39221 Woodward Ave., Bloomfield Hills. . Families of all ages will enjoy more than 20 activities, including balloon animals, sack races, maggot art, bubble painting, slippery slime, dry ice exploration and more.