Plant it to grow Steam Funnel - Down. This links up to other Steam blocks and conduct steam power. Steam can enter this funnel from 3 sides, but can only exit from one side. You figure out which!
Steam Funnel - Down Seed price in Growtopia: sells for about 3/WL (median of 1 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: DEBAK