• 24 surprises!
• Each day open one pack of blocks and at the end of the week take apart and build a bigger model
• Measurements: box dimensions approx. 15.5" x 11.5" x 2"

This advent calendar has 24 days of building excitement with a new pack of blocks behind every door. Build something fresh each day, then combine your week's creations into a larger model. Perfect for kids who love building and creating.