Marshmallow Snowman Christmas Ornament Craft Kit. These cute foam ornaments can hang on a Christmas tree or sit on a table as part of a snowy winter scene! Frosty and fun, these marshmallow snowman ornaments make a great craft activity for a classroom Christmas party or other holiday school event. Kids love creating homemade gifts! 5 1/2" All craft kit pieces are pre-packaged for individual use. Kits include instructions and extra pieces.