Charles Hill, principal of Strobridge Elementary School in Hayward, California, isn’t a fan of toy guns or the effect he believes they have on kids. “Playing with toy guns, saying ‘I’m going to shoot you,’ desensitizes them, so as they get older, it’s easier for them to use a real gun,” he said. That’s why, last Saturday, Hill organized a toy gun trade-in program at his school. In exchange for their faux firearms, kids could get free books and a shot at a new bike. Read more: Toy gun exchange held at California elementary school.