When: May 17-18, 9 a.m. to 3 p.m. Where: Cheyenne Depot Museum, 121 W. 15th St. Price: $10-13 for ages 13-18; $20-25 for adults; kids 12 and under are free.

These pint-sized frames are smarter, more adaptable, and built with a touch of everyday magic like temples that bounce back, ...

Miscellaneous modules that didn't fit in anywhere else, including bounding box, chain hull, extrusions, and minkowski based modules.