Hot answers tagged piece-information
You can piece together a 16x16 black plate in two layers, by making a base layer consisting of 3867 - Baseplate 16 x 16 (not available in black, but Dark Bluish Gray is a good option and given the minimal thickness it won't show) and then putting 4 of 41539 - Plate 8 x 8 in Black on top side-by-side.
"Both Lego and MEGA Brands use injection-molded ABS (acrylonitrile butadiene styrene) plastic to manufacture their elements." -by oddTodd Jun 15 '13 TL;DR: Mega Bloks are NOT ABS. Based on oddTodd's statement alone, I went to the local resale shop and bought a few Mega Bloks for a few cents. My intention was to use the Mega Bloks as a source of colored ...
That piece is called a Triangel: http://brickset.com/parts/6010864 You can buy it from the Lego store (no direct link, but it is element id 6010864).
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