The secret ingredient is the Always Love Mini Clear Photopolymer Stamps from the Timeless Collection by Penny Black! There are 4 stamps included on the 3" x 4" storage sheet. Use the pieces with an acrylic block and inks of your choice (sold separately). Stamps are in the shapes of a cupcake, hedgehog and the phrases "the secret ingredient is always love" and "life is what you bake of it." Made in the USA.