Building my Alter, what else should I add?

So far I have crystals (earth), candles (fire), bowl of (water), smudging bowl with sage (air), and a pentagram I drew

What do you have on your alter that works well for you?

So far I have crystals (earth), candles (fire), bowl of (water), smudging bowl with sage (air), and a pentagram I drew

What do you have on your alter that works well for you?