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A comment on Show HN: Robotopia – Introducing kids to coding with tiny virtual robots. Parent comment

Re:Show HN: Robotopia – Introducing kids to coding with tiny... by pbhjpbhj on Wednesday April 05, 2017 @03:03PM (#14044647)
Usually in blockly you grab the one below the one you want, it's sticky with all the blocks below it. Then grab the block you want and drag off, then stick the whole thing back together.
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