The Slime Countdown™ – 24-Day Christmas Slime Advent Calendar
The Slime Countdown™ – 24-Day Christmas Slime Advent Calendar
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⏰ Order within --h --m --s → get it by Nov 1
- 🚚Free US Shipping
- 🛡️Tracked Delivery
- 🔒Ships From the US
24 days. 24 slime surprises. One very excited kid.
Count down to Christmas with a new holiday-dessert slime behind every door, plus mix-in charms and accessories to customize each one.
- 24 individually packed slimes + themed accessories
- Holiday dessert theme: cookies, cocoa, candy cane and more
- Recommended ages 6–12
- Great as a countdown calendar, stocking stuffer or party favor set
Ships from the US with tracking. Order by early December to have it in time for the countdown.
Adult supervision recommended. Not edible. Keep away from fabric and carpets.
24 mornings they'll actually jump out of bed for
24 surprises
A different holiday-dessert slime behind every door, all December long.
Mix-ins included
Charms and toppers so every slime becomes their own creation.
Screen-free fun
Hands-on play that keeps them busy, without a tablet.
Ships from the US
Fast tracked delivery, so it's there before the countdown starts.
Not another chocolate calendar
Chocolate's gone by 7am and forgotten by 7:05. The Slime Countdown gives them a brand-new holiday slime every single day: cocoa, cookies, candy canes and more, plus charms to mix in and make their own.
By Christmas Eve they've got a whole slime collection, and you've had 24 days of zero "I'm bored."
Slime Countdown vs. regular advent calendars
Questions parents ask
What ages is it for?
Recommended for ages 6–12. Adult supervision is recommended for younger kids. Not edible.
When will it arrive?
It ships from a US warehouse with tracking, usually arriving in 4–9 business days. Order by November 20 to have it before December 1.
Will it mess up carpets or clothes?
Play on a table or tray and keep it off fabric and carpet. If it does get on fabric, white vinegar loosens it.
What's inside?
24 individually packed slimes in holiday-dessert themes, plus mix-in charms and accessories.
What if it arrives damaged?
Email us within 7 days of delivery with a photo of the damage and we'll send you a free replacement.
December 1st is coming fast
$34.99
$49.99