For Square Sprite click Green flag to start program and move sprite around grid. Click Square Sprite to stamp it to the grid at that position. Click N key to change colour. Click X key to erase all. For Circle Sprite click Space to start. Click Circle Sprite to stamp. #1 key to change colour, #2 to erase
Remix by creating your own sprites in Paint Editor. Use the Grid when making the sprite and then the Set Size to ()% block when coding it.