getSmart cardGames Last Units - Going Out of Stock - Metric Units of Length - Fun Educational Math Playing Cards for Kids, Travel, Kindergarten, Homeschool, Elementary, Middle, Secondary, High School

Figured it would be interesting to learn more about the metric system, so I tried this deck about length units. Turns out the cards are just like regular playing cards, but with a mathematical twist. There are pictures of famous mathematicitians - and of course Einstein is the Ace!