24 Creepy Halloween Birthday Party Ideas

You could bottle up the liquid that's been stuck to the seat of the high chair for a month, but why go to the extra effort? Alex Toys, the arts-and-crafts purveyors, has a slimy gift contained for your guests already. Their Mix ‘n' Slime Kit just requires water to create three different slime options (including glow-in-the-dark) and will be the perfect party take-away for kids who like to their creativity to ooze out all over the place.