Mr. McGroovy's Box Rivets are reusable!

Use an ordinary hammer to remove:

hammer

Since Mr. McGroovy's Box Rivets are reusable...

  • store your project for another day.
  • have a party at the park.
  • donate your project to your school, church or library!
  • build a new project next week.
 

Store your castle

Mr. McGroovy's Castle breaks down and stores fairly easily, considering it's made of 8 refrigerator boxes. This makes it easy to take to the park, store in the shed, or donate to your school library.



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