Made with marshmallows, coconut oil and cornflour, edible slime is safe for kids (and, ahem, adults) to eat and tastes sweet and tropical. You can decorate it with lollies, and make fabulous themes – ...

But the process isn't as easy as you'd think! UNICORN products are everywhere at the moment and YouTube star Joey Graceffa is completely embracing the trend. We’ve already seen Joey trying out ...