The idea of a calm down kit is that you can take these anywhere, to a scary dentist visit, a noisy shopping centre, a long car ride or on Christmas day. They're small, light and portable.
It’s ideal to have different calm down kits for different places, eg, 1 in the car, and 1 in the school bag. Plus, its wise to mix them up a bit, keeping it fresh and exciting, but remember to keep some comforting “favourites” in there always.
Whenever there’s too much overload and stress, the calm down kit is always at hand.