Educational Math Logic Problem Solving Tank Tops

Description: Think outside the box features a engineer theme with a natural, wearable feel, with hints of sarcasm gift and sarcasm lover. A natural pick for engineer fans, especially as a gift on tees, stickers, hoodies, mugs, and everyday gear.

Description: Playful algebra puzzle featuring adorable ghost characters and logic symbols.

Description: John Dewey quote: It is a familiar and significant saying that a problem well-put is half-solved.