Aristotle's Number Puzzle

Will you be able to master this challenging wooden brainteaser?

Aristotle Number Puzzle
Can you make every row add up to 38? There are 15 rows in all directions to complete, each made up of 3, 4 or 5 pieces. This brilliant concept allows you to complete the puzzle by using every number from 1 – 19.

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.