The teacher is here. It took me a while to find one that 1) was the right size 2) had powerful magnets to keep it from sliding around the board 3) wasn't insanely expensive. The two compartments are a good size and divided evenly. Each side can hold around 10+ expo/whiteboard markers (more or less). I have about 10 markers on one side and two erasers on the other side and this basket doesn't slide off.
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