I think that the blockly maze activity could be introduced and supported by a real life 'maze' activity. For example, a 'maze' could be mapped out on the basket ball court with cones and one person could be blind folded, holding a trundle wheel. There could be a 'programmer' who calls out instructions for the blindfolded 'robot' (a third person would probably be required to turn the 'robot' accurately. This would aid students who need more than visual input to understand a concept. Once the concrete maze is mastered, students could then work on the digital maze.
An extension to this activity might be to provide a map of the area (superimposed on graph paper) and get students to write directions from school to various landmarks using programming language.
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