Navier-Stokes star gas equation displayed across this fun t-shirt to confound your friends and family. A great gift idea for the science enthusiast or general know-it-all in your life.
100% cotton in adult sizes only
Make art with the power of the sun. Fun, learning and creative stimulation for the curious of all ages.
Great gift ideas for the holiday season.
Free shipping! Orders of $75+ qualify for free ground and reduced air shipping to the contiguous 48 states.