What are good pranks to do at slumber parties?

Plastic wrap over toilet seat

icy hot on toilet seat,

antiqueing them

(its were you get flower and blow it in there fase while there asleep)

You can also put coolaid in shower head were water comes out.

Black momba (put a sock on your hand and hit em)(don't ask)

hot sauce toothpaste

Dirty Hitler (not gunna explain...)

Shavin cream with feathers or sunflower seads

paint them

laxitives in drink

baby powder butt bomb

Warm water on hand when there asleep

(i advise against this if there on your floor...)

shave their head (this is a fun one)

yeah and i hope you like em