Types of slime being considered (I'll probably only do two or three of these):
Soap Slime (get magically clean!)
White PVA (Dragon's Milk?)
Contact lens solution (Unicorn Tears?)
Food colouring (Ruby Extract, Sapphire Extract... etc.)
Shampoo or liquid soap
Cornstarch (Ground Niffler egg shells? kind of cumbersome)
Gold Acrylic Paint
Glitter (Fairy dust, of course! But do different colours represent different properties?)
(Orbeez are tiny little coloured balls, and when you soak them in water they plump up to the size of peas, and are soft and mushy).
Extra kudos if you can relate the names to animals/plants/objects from Harry Potter or 'Fantastic Beasts'!
At the end of the party I'll give them the real recipes so they can try them at home.
I'll also have wands for them to decorate, and a selection of Harry Potter themed snacks.....still not sure what to do about the cake! And some themed decor, of course!
Here's a link to an amazing HP xmas party where the motto is "no detail too small!"