About
Summer Tinkering offers children the chance to engage in STEM activities and imagination play. Participants have the opportunity to design and build large-scale creations out of wood, with each week starting with a surprise theme. The program is led by Tatian Greenleaf and David St. Martin, who serve as the lead instructors.
• Ages: 7–13 years old
• Schedule: June 23 - July 18, 9:00am - 3:00pm, 4 weeks
• Price: $675/week (fee assistance available)
• Location: Mark Day School, San Rafael, CA, 39 Trellis Drive, San Rafael, CA 94903
The program's mission is to empower students by introducing them to real tools and challenging them with goals such as making mistakes and learning from them, building something bigger than themselves, collaborating and making new friends, and trying harder than usual. Summer Tinkering benefits from Mark Day School’s long-standing collaboration with the world-renowned Tinkering School in San Francisco.
Last updated November 19, 2025.
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