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Pay in 4 interest-free payments of $5.24 Learn more
Ships within 48 hours · Estimated delivery Oct 19 - Oct 24
and puzzle lovers
Teachers & homeschoolers seeking an engaging math activity
Rotate blocks to find words on all 4 sides that together make a sentence
this thoughtful gift for the birdwatcher in your life will provide stimulating mental exercise during moments of active rest
Aristotle's Wheel Paradox | STEM Montessori Toy marine life and puzzle loversThere is a dilemma represented in this wooden puzzle that will have you wondering how it can be possible. You won't be the first. Aristotle took a whack at this in the Aristotelian Mechanica, as well as in the Mechanica of Hero of Alexandria and Galileo gave it a try as well. See what you can make of it Not everyone agrees that Aristotle invented this little paradox, but everyone agrees that it would be just like him to come up with something like