Summer is one of the four seasons and comes after Spring and before Autumn. It is the hottest season of the year. The Eiffel Tower grows in summer. On a hot day the iron from which it is constructed expands so much that the tower can rise by 17cm!!
See if you can solve these four more difficult arithmagons.
The aim of an arithmagon is to work out which numbers go in the empty circles. The numbers in the square boxes are made by adding together the numbers in the circles either side.