I love this stack of rainbow hearts and
it's a great craft for recycling cardboard too.
A Little Learning for Two has the tutorial.
Sarah Olmsted: Imagine Childhood: Exploring the World through Nature, Imagination, and Play
Amie Plumley: Sewing School: 21 Sewing Projects Kids Will Love to Make
Rae Grant: Crafting Fun: 101 Things to Make and Do with Kids
Marie Hablitzel: Draw Write Now, Book 1: On the Farm-Kids and Critters-Storybook Characters