Many many dice are made of wood.
Below just some dice made of special wood from olive trees, palm trees, bamboo, thuya etc.

A collection of typical Moroccan Thuya dice, with inlaid pips made of Citrus wood.
Sizes are varying between 19 and 79 mm!!!

A nice wooden set of dice in a box, with pips made of small nails,
and a set of Mahagony wood dice.

A rather large (30 mm/1.25 inch) D6 made of olive wood, and smaller ones from palm wood.

A very nice wooden hollow round D6 made in Switzerland, and a pair of wooden D6's with bulls-eye pips.

Two huge Indonesian dice made of bamboo.

And some more specially carved dice from different types of wood.