Let's Rock! Participants create their own metamorphic, igneous, and sedimentary rocks, and build a specimen box to take home to house their collection. Oct 5 from 12 to 12:45 p.m. and Oct 8 from 11 to 11:45 a.m.  Cost $12 per child for non-members and $10 for Museum Members. Registration is required at  www.miSci.org or email . via online