TOP HAT is made by splicing BLACK BLOCK and MUSHROOM. TOP HAT is in hat category. No need for growspray here, will be done in a jiffy. Received experience is a mystery. Keep an eye out for the exp counter. TOP HAT can be broken. Seed mathematics is very complicated, but you should get at least 1 seed back from splicing TOP HAT. Gemratio of TOP HAT is a mystery. Maybe you can check the wiki for <a href="https://growtopia.fandom.com/wiki/Top_Hat">top hat</a> Massproducing TOP HAT can be tricky. You will find out after you have harvested a few.