Squishmallows slime, ‘Star Wars’ themes, and more from their holiday wish list. My 9-year-old can’t get enough of slime, and I can see why—it offers hours of hands-on fun, creativity, and stress ...

Squishmallows slime, glow-in-the-dark themes, and more ooey gooey fun. My 9-year-old daughter and her friends spend hours playing with slime kits. It’s their go-to activity during playdates for ...