Click on the room with the desired tool customization.

Click the three vertical dots and select 'View Tools'.

Select 'Edit Tools'.

Click 'Next'.

Choose the customized tool.

Click '+ Save As Template'.

Name the template and click 'Save'.

Click 'Next', then 'Save', and 'Update Room'.

Click 'Back' or 'Launch to Students'.

Go to the room where you want to add the tool. Click the three vertical dots, select 'View Tools', and then 'Edit Tools'.

Add the appropriate tool to the room and click 'Next'.

Select the tool to customize it.

Beside 'Configure', click 'Use Template' and select the template you saved.

Select ‘Next,’ ‘Save,’ and ‘Update Room’.