Cognitive Surplus Washi Tape Equations that Changed the World

Here's a bold blue and orange roll of math washi tape celebrating some of the equations that fundamentally changed our understanding of the world. This decorative paper masking tape is perfect for livening up your everyday creations. Decorate your bullet journal or notebook, or use it to wrap packages! Each roll is 15 mm (.6") wide by 10 m (32'9") long, so you'll have plenty for all your projects.