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LEGO → TECHNIC → Hero Factory
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40084 Accessory Pack is a Hero Factory polybag set released in 2013. It contains a total of six pieces. It was only available at LEGO Shop@home or LEGO Stores. It came free with any Hero Factory purchase made between July 15 and August 31, 2013.


  • The set includes an exclusive black and red Hero Factory brain piece.
  • The TECHNIC piece that holds the blades is metallic.
  • The sword is a smaller version of the one used by Furno XL. Description This is a description taken from Do not modify it. (visit this item's product page)

Collect and battle with the exclusive black evil brain!

Add the exclusive black evil brain and flame sword to your Hero Factory battles! Attach the black evil brain and flame sword to any Hero Factory villain to transform him for battle! Collect this exclusive accessory pack for even better buildable battles.

  • Features removable black evil brain that attaches to buildable figures and flame sword
  • Attach the black evil brain to make the transformation of any Hero Factory villain complete!
  • Makes a great addition to your existing LEGO® Hero Factory collection!


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