THINKING ahead to the school break? The Corn Exchange, Learning Centre and The Base have activities on offer over half-term including some fantastic family shows. In the lead up to the school break, parents and their little ones can be blown away by Top Secret: The Magic of Science (Saturday, February 3, 2pm) with the Corn Exchange auditorium transformed into a real life science lab for non-stop interactive experiments. For the threes-plus, The Bubble Show (Sunday, February 11, 2pm) is a great way to start the half-term fun with a unique blend of magic, storytelling, science and most of all fu…