Dear parents, homeschoolers and teachers, Our online store is NOT closed due to COVID-19. We stock a huge selection of Montessori materials and learning toys. All of our products have been delivered to our Canadian warehouse before July 2019.

We, at E&O Montessori, are working hard to help you keep your children busy and educated through this difficult time. Free shipping on orders $75. Click here for more details…

Solar System Ruler

Math and Science join together in this attractive, educational Solar System Ruler.

Featuring all eight planets and the sun in brilliant, accurate colors, the ruler has both the metric and standard systems for comparing and converting.

Measures: 12.25” L x 1.75” W (31 x 4.5 cm)

Recommended Ages: 7+