tap on a Work.
tap on Teacher and open the Work.
tap on the gear button.
select to edit show blocks.
drag the blocks to show that you want to limit to the right side. These can be deleted all at once using the trash can button. Select OK to confirm.
You may choose to change individual settings for one sprite, or you may choose to make the settings common for all sprites. If there are both individual and common sprite settings coexisting, then the individual settings will take precedence. To delete individual settings, delete all blocks in the trash can button, and while empty tap on the OK button and select the option for the individual sprite.