Adventivity House provides all the push-out designs, stencils, and creative card components you need to make 25 fun holiday activities. Each door reveals a surprise related to the decorative project the book sets out for that day. The 25 festive activities include making a dove mobile, a blow-the-elf sled race game, a pop-up robin greeting card, and winter warmer egg cozies. The final project - a rotating Christmas Carousel - is the most ambitious in scope, and is sure to delight fans of card craft of all ages.