You must have TABLE LAMP and BULLETIN BOARD to make SCOREBOARD. You can find this item in signs category. Using growspray would be madness, better get a time machine. Nice experience you find in these blocks. SCOREBOARD can be broken. You get at least 1 seed back (maybe more!) from splicing SCOREBOARD. Gemratio of SCOREBOARD is a mystery. Maybe you can check the wiki for <a href="https://growtopia.fandom.com/wiki/Scoreboard">scoreboard</a> Massproducing SCOREBOARD can be tricky. You will find out after you have harvested a few.