Someone has stacked a bunch of bones here and sharpened the ends. I know that's dangerous in itself, but aren't you a little more concerned about exactly who did it and where they are now?
Bone Spikes price in Growtopia: sells for about 200/WL (median of 85 offers from community Discords, past 30 days). Live price chart and the latest buy and sell offers.
Recently sold at: PIP0, NUOXP, 44WD, GUWL, VURTAG