This Week in the Classroom: Boomerangs and Chalkboard Slates

Two projects really took off this summer – chalkboard slates and boomerangs.  The boomerangs, of course, took off a little bit more.

Back in the fall I built a bike barn.  It’s more of a third-world shanty, but it housed the bikes and kept them sort of organized.  Either way, I picked up a large number of cedar shingles as a roofing material.  Time got away from me – I never roofed the barn.  Instead, I used the shingles to create these cool little chalkboard slates.  I used an exterior paint as primer, then covered them in green chalkboard paint.  A couple of decorative touches later…

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My second big project has been an exploration of flight using boomerangs.  The summer program is themed around continents.  I got stuck with Australia.  Hence, boomerangs.  Here’s a flight test of our third or fourth iteration of salvaged plywood boomerangs.  Pick up the pattern here.

Make it safe & keep the rubber side down this weekend.

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