Christmas Expectations:Open your advent calendar on the first day of December until Christmas. Get closer to Christmas day by day in surprises. Our Christmas advent calendar will bring happiness to your children every day And your kids will look forward to Christmas even more DIY Toys: This advent calendar features 12 different colors of slime and 12 mix-ins including many colors of glitter, beads, fruits, stars, etc. These mix-ins can be combined with any colors of slime to make them more funny. Through DIY, kids can exercise the coordination ability of hands, eyes, and brain to cultivate their creativity and imagination. Stress relief toys: Open one door each day until Christmas. It can not only be a advent calendar but also decompression toys. It's fun to poke, stretch and squeeze them when you're bored or stressful. Kids can pay attention on the fun of DIY for hours. And it will delight your kids all day long Advent Calendar DIY Slime Kit:Our slime kit is very soft and non sticky. Creative Gifts: Count down to Christmas with different surprise, it can be a great gift for a little holiday cheer. A classic gift box filled with beauty to create an exclusive surprise for Christmas. It is ideal gift for kids, teens, or even adults.