Cosmos Party Supplies for your one-stop party box

Welcome to Cosmos Party Boxes. We understand how much time it takes to source all the things you need for a great party, let us take the stress away with our great party boxes. It's time saving, eco-friendly & good value. So sit back & relax and choose your theme and let us do the rest! We also have a great range of themed Pass the Parcels and full Party bags. Or try our Craft Parties options. We also offer a Parties Apart option on all our themes. Cosmos Parties will keep you celebrating together no matter how difficult times are.

Party boxes for boys from Cosmos Party Supplies

Boys Parties

Toy Story, tractors, superheroes and much more.

Girls party boxes from Cosmos Party Supplies. Photo by Lidya Nada on unsplash.com

Girls Parties

Princesses, Unicorns, superheroes and much more.

Themed party boxes suitable for boys from Cosmos Party Supplies

Toddlers Parties

Teletubbies, Peppa Pig. Paw Patrol and much more.

Life Events - from birth to 100 from Cosmos Party Supplies

Life Events

From baby showers to 100th birthdays and beyond!

Crafty party box from Cosmos Party Supplies

Crafty Parties

For adults and children: make something to take home.

Party extras from Cosmos Party Supplies

Party Bags

Add filled party bags for a really easy life.

Our Best Selling Themes