Miami Children’s Museum will host Sid the Science Kid Exhibit Grand Opening. Check out Sid and his friends in the museum’s brand new traveling exhibit. The day will be filled with fun science experiments where kids can get messy with Oobleck creations, test speed in a balloon race and build towers out of marshmallows. Kids can try to launch their own bottle rocket and check out the latest MCM Player’s original performance, “The Big Question!” The Ribbon Cutting will take place at 12:30 p.m.