Heat Hollow Slime advent calendar with 24 surprise doors for children
Check stock in store
Availability can change at any time. To be sure, please contact the store before you buy.
24 days of squishy surprises
This advent calendar is made for children aged four to twelve who love hands-on, creative play. Behind each of the 24 doors is a new slime or mix-in, from butter and cloud slime to glitter, foam and two-tone varieties. With 12 pots of slime and more than 40 charms, sprinkles and clay slices, they can stretch, squish and decorate their own creations all through December. Slime is not edible, so please wash hands before and after play.
Why you'll love it
- 24 doors: a new surprise every day in December.
- Lots of textures: butter, cloud, glitter, foam and glossy slime.
- 40+ mix-ins: charms, sprinkles and clay slices to customise.
- 12 slime pots: plenty to stretch, mix and play with.
- No sweets: a fun alternative to a chocolate calendar.
Perfect for: December mornings, crafty kids, Christmas countdowns and rainy days
We offer fast, free delivery with no minimum order value. Every order can be tracked at any time using its own tracking number.
We offer a 30-day right to return or exchange if for any reason you are not satisfied with your order.











