Plant it to grow Spirit Storage Unit. This incredible machine was invented a hundred years ago, and still runs on Steam power! Drop Ghosts-In-A-Jar in front of it, then provide it with Steam power to store the ghosts. Warning: If you overload the device, it may explode!
Spirit Storage Unit Seed price in Growtopia: sells for about 4 WL (median of 2 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: PSIO1