Personalized Calculus Teacher Gifts For Kids Long Sleeve Creeper. My Mommy is the Worlds Best Calculus teacher Long Sleeve Creeper - White has a worlds best occupation logo for the son or daughter whose Mom is an calculus teacher. Fun calculus teacher baby shower gift idea. For chillier weather, dress baby in this soft long sleeve creeper in a great fitting 1x1 baby rib. 5.0 oz., 100% combed ringspun cotton, 1x1 baby rib. White is sewn with 100% cotton thread, Flatlock seams, Double-needle stitched rib binding on neck, shoulders, sleeves and leg openings,Reinforced three-snap closure on binding.