Slime Design Kits for Parties & Functions

Looking for a creative, unforgettable party activity?
Mellow Slime’s DIY Slime Design Kits are the perfect way to entertain guests—and they’re more than just an activity. Each guest receives their own beautifully packaged kit, making them feel like they’ve been given a personal gift or goodie box to open, explore, and enjoy.

Whether it’s a kids’ birthday, school event, or family day, our Slime Design Kits turn slime-making into an exciting, hands-on experience and a memorable takeaway. Every kit is packaged with care in our branded Mellow Slime boxes, designed to delight from the moment they arrive.

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Why Kids (and Parents) Love Our Slime Design Kits

Every guest gets their own exciting, gift-like kit

  • Beautiful packaging adds a wow factor to the table or party setup
  • A fun activity and a built-in party favour in one
  • Easy for parents or organisers—no need for a trained host or facilitator
  • Guests leave with their own personalised slime creations

Our Slime Design Kit Options

We offer two popular kit options to suit different ages, budgets, and party vibes.

Beginner-friendly

Basic Slime Design Kit

A simple, fun kit that’s perfect for beginners or younger guests. Each guest receives:

  • 1 x 250ml unscented white slay slime (pre-made)
  • Foam beads, air-dry clay, charm, sprinkles
  • 1 x empty 50ml storage jar
  • Borax powder sachet
  • Mellow Slime 101 care card and thank you card
  • Beautifully packaged in a branded Mellow Slime box

Beginner-friendly

The Artist Slime Design Kit

A deluxe kit for creative slime fans, with even more mix-ins and variety. Each guest receives:

  • 1 x 250ml slay slime plus 1 x 250ml basic slime
  • Foam beads, air-dry clay, extra sprinkles and charms
  • 2 x empty 50ml storage jars
  • Borax powder sachet
  • Mellow Slime 101 care card and thank you card
  • Beautifully packaged in a branded Mellow Slime box

Here's an Idea...

Customise Your Slime Design Kits

We can tailor your kits to match your party theme or preferences. Optional add-ons include:

  • The Sharing Box Add-On (shared scents, colours, activator sprays)
  • Ice Cream Theme Add-On (ice cream scoop mould plus themed sprinkles and charms)
  • Custom Label Stickers (personalised jar labels)

What’s the damage? $$$

Our pricing ranges from R 350 per box to R 4 700 for up to 10 boxes. It all depends on which party box you choose and whether you’d like to add any fun extras. We’re happy to help recommend the best fit for your party and budget!

Why Choose Mellow Slime Design Kits?

  • Every guest gets their own gift-like kit they can open, design, and keep

  • Beautiful, exciting packaging makes a memorable impression

  • DIY and flexible: no facilitator needed—you run the activity your way

  • Easy setup and clean-up

  • Customisable kits and themes available

Ready to plan your slime party?

Fill out the form below or contact us to get a quote, discuss custom options, and secure your Slime Design Kits — book early (ideally 2 weeks ahead) to avoid disappointment!