The wooden ‘fences’ each have three slots in one side, like a comb. They fit together, a long slot in one fitting a short slot in the other. The problem is to use the set of slotted fences available to make the perfectly fitting pen.
If you like solving puzzles try this one to get you thinking!
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Look Closer
Welcome to Look Closer, Techniquest's brand new digital tool. We're trialling Look Closer as a way of offering you a closer look at the science demonstrated by many of our exhibits. You'll find visitor sheets, videos, articles on contemporary science as well as fun trails to navigate your way around the exhibition space.
Speak to our Science Communicators to find out more.