Click on the hiding place to select it.
Click the Looks category. Drag out a go to front block.
Build this script to make it go to the front:Add that script to the other hiding places too, so the sprites can hide behind them.
Tip: If you drag a sprite on the Stage, it goes to the front layer. To move something back, you can use the block go back 1 layers.
Now, add to your game