ChiTAGThis Saturday and Sunday is the Chicago Toy & Game Fair, where among 100 exhibitors and numerous events, members of the family can have fun playing with demonstrations of Goliath Games’ life-sized holograms and Bananagrams’ giant letter tiles, participating in a Star Wars character lunch and a Guinness world record clapping game, or competing in a Top Trumps tournament and the Illinois State Yo-Yo Contest.