Use the "Space bar."
It's not much. But I'm throwing in the parts that really stuck out to me. I want to give a HUGE shoutout to the people in the various studios I curate and follow. These studios are things I love about Scratch as they can bring people together. I also want to shout out the HUMONGOUS amounts of amazing projects I've played and seen. These great projects give me the strength to make my own projects and inspire me that even the toughest problems in coding can be solved and made into something amazing.