tinymills 12 pcs outer space stamp kit for kids party favors god's galaxy boys girls space planetarium birthday party tinymills our outer space stampers will brighten up any party favor bag! these stampers are also great for school projects, to create your own greeting cards, scrapbooking and decorating stationery. have this stamp assortment at for a trip to the planetarium, for home, in the classroom, or in art class! our stamps are non-toxic, lead-free have passed all cpsia and astm testing. safe for children to use. 1.5 inches tall, 1 inch in diameter