How To Build a Brain with Thinking PuttyDon't wait till mischief night. Prank your friends by learning how to make a spooky brain out of Thinking Putty®. In this how-to, you'll get an in-depth look at how we created a Thinking Putty brain!

This prank requires two tins of Thinking Putty. We used our favorite brain-colored Thinking Putty,