Also...sharpening the carving knives, buying lumber and culling the best junk for the junk bins! Because SUMMERTIME at Leonardo's Basement begins Monday June 10! Thanks to our amazing renaissance crew of instructors & assistants (all adults who remember what it's...

We are excited to offer opportunities for kids and teens to design, build and play in our ginormous workshop this summer!  Register online, by clicking the "Register for Classes" link above Individual and collaborative project building in engineering, art, design, and...

Leonardo’s Largely Irrational Math Prize Leonardo’s Basement is offering prizes for mathematics at the 2019 Twin Cities Regional and Minnesota State Science and Engineering Fair. The contest is “irrational” because the prizes are based on an irrational number: 1st...