Slime Advent Calendar 2025

Slime Advent Calendar 2025. Check out our slime christmas advent calendar selection for the very best in unique or custom, handmade pieces from our christmas trees shops. Check out our christmas slime advent calendar selection for the very best in unique or custom, handmade pieces from our christmas trees shops.

A slime advent calendar lasts for 24 days, with one homemade slime surprise inside each window! 24 days of surprise countdown to christmas: