Metal Construction Sets

Merkur vs. Erector
 
students building robot





















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The BotBrain Company LLC


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Similarities:

  • Large Variety of Mostly Metal Parts
  • Fasteners are screws & nuts
  • Long History
  • Build a large number of models

Differences

  • Hole Spacing: Erector- 1/2" Merkur- 1 cm
  • Merkur models are mostly vehicles