Just one piece from the Great Minds puzzle range. Will you be able to master this challenging wooden brainteaser?

Aristotle’s Number Puzzle

Can you make every row add up to 38? There are 15 rows to complete, each made up of 3, 4 or 5 numbers, totalling 19 pieces altogether. This brilliant concept allows you to complete the puzzle by using every number from 1 to 19.

The founder of Western science and philosophy, Aristotle had a great influence on the course of the Renaissance in the 16th century. Whilst only a third of his original writings have survived, Aristotle covered a diverse range of topics, from biology and music to physics and poetry.