The Five Elements in Japanese Philosophy is called godai and refer to the five elements shown here which are 地 Ground (chi), 水 Water (mizu) (also read sui), 火 Fire (hi) (also read ka), 風 Wind (kaze) (also read fuu), and 空 Sky (sora) (also read kuu and also meaning void).
The Five Elements are most commonly known thanks to Miyamoto Musashi's The Book of Five Rings making this an excellent gift for the Miyamoto Musashi fan on your shopping list.