Calvin Logan

The continuing adventures of an intrepid middle-schooler

Calvin builds a Lego truck

12:19:00 MDT Sunday 30 June 2013

Daddy, Calvin, and the four-level stacked interchange in sand

11:22:53 MDT Sunday 16 June 2013

Daddy supervises an engineering workshop at the Great Sand Dunes; Calvin watches

13:50:54 MDT Saturday 15 June 2013

Calvin and Mommy descend the sand dunes

11:26:53 MDT Saturday 15 June 2013

Calvin and Mommy on top of a dune

10:57:47 MDT Saturday 15 June 2013

Mommy and Calvin climb the Great Sand Dunes

10:33:30 MDT Saturday 15 June 2013

Calvin with his tower built with a tuned mass damper

16:33:22 MDT Sunday 09 June 2013

Calvin points to the stop light he drew in chalk on the patio

14:09:16 MDT Saturday 01 June 2013

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