The Crayola WonderFoam Shapes are a fun and exciting craft addition! With a variety of shapes in easily manipulated foam that's both durable and lightweight, there's no crafting project that you can't accomplish. Thick enough for small hands to grab easily, these letters and numbers are a great learning tool! Add emphasis to school projects and crafts with Crayola WonderFoam Shapes. Whether it's providing tools to put a purple octopus on the moon, or enabling teachers to bring arts-infused learning into the classroom, Crayola is passionate about helping parents and educators raise creatively alive children who we believe will grow to be inspired, original adults.