Mr. McGroovy with a Rivet

Simple, Yet Ingenious

Mr. McGroovy's Box Rivets™ are inexpensive plastic connectors that make building fantastic cardboard creations quick & simple.

With Mr. McGroovy's project kits and plans, it's easy for anyone to turn simple cardboard boxes into the project of your child's dreams!

Turn Fantasy into Reality

Top 5 Reasons Rivets are Better than Duct Tape

Dr. Toy's Best Products 2007 WINNER!
  1. Easier to Use - big projects go together in a snap
  2. Stronger - projects stay together and last longer
  3. Faster - more time for creativity and enjoying your project
  4. More versatile - build with cardboard in new ways
  5. Reusable - construct a new project every week