Project lesson and resources available at BootUpPD.org This project is used for the ScratchJr synthesis projects. Click the button to pick a random idea and then have coders use this idea to create a synthesis project within the randomized theme. Press 1, 2, or 3 to create up to three ideas. Each idea can be reloaded by pressing it again after it finishes the animation. Press spacebar for a friendly reminder to use blocks. Remix this to add your own ideas.