The Schylling NeeDoh Funky Frights Squish-O-Ween 13-Item Halloween Advent Calendar is a square-shaped cardboard calendar designed for kids under 5 years old. Each compartment contains a different squishy toy featuring the character NeeDoh, making it a fun and engaging way to celebrate Halloween. With a colorful multicolor design and a Halloween theme, this door advent calendar from Schylling is sure to delight young fans of the popular NeeDoh character.