Mathematics Pillowcase

There is huge amount of mathematical know-how squashed onto this knowledgeable pillowcase: including algebra, calculus, geometry and probability.

Research on the effects of hypnopaedia have been inconclusive, but these studious pillowcases certainly give you the opportunity to sleep on things you've learned.

Hand-printed 50% cotton, 50% polyester pillowcase.
Standard pillowcase size.
Wash before use, do not bleach.

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