Slowking is card #34 of 147 in Aquapolis (2003), a Rare illustrated by Aya Kusube. At about $224 it is the #19 most valuable card in the set. In an Aquapolis booster it turns up about once every 68 packs. It is one of 26 Slowking cards printed so far.
2000Neo Genesis
2002Neo Destiny
2003Aquapolis
2005Unseen Forces
2010HeartGold & SoulSilver
2012Dark Explorers
2017Burning Shadows
2023Paldea Evolved

















See the full Aquapolis card list
An ungraded Slowking from Aquapolis sells for about $224. A PSA 10 is worth more, roughly $2,913 by our estimate, and a PSA 9 around $896.
It is a Rare, and it shows up about once every 68 Aquapolis packs.
Aya Kusube drew the art for this card.
Yes, as a digital simulator. Holobrook lets you open Aquapolis booster packs in your browser with the set's real pull rates and keep what you pull in a digital binder. No real cards, nothing to buy.