This puzzle is available to buy various places, but you can also just make your own.  We colored the wood with Bingo daubers!

MH Intern Quan Nguyen worked out a number of solutions and made the CAD file for this one.  Our files are available to use: in AI, SVG and CorelDraw Formats

There’s also a handout that can be laminated as a display sign, or on the second page is a template you copy and print.