Discover how levers, cranks and pulleys work. Use simple household materials, hardware and sculptural materials to create working inventions and kinetic sculpture with your own creative twist. Please enroll for just one 3-week session of this popular class. Please note that SF health guidance dictates that each child can be enrolled in one class at a time per session on-site. We observe 6ft distancing, wear face covering, and are compliant with SF DPH guidance and recommendations. Scholarships available upon request.