In Tutoom you can create Rooms to make participants work in work groups.

To do this follow these steps:

Go to Rooms in the navigation bar.

Click on Create Rooms.

Choose the number of Rooms, you can add + or remove - as many as you want.

Choose the duration of the rooms, you can increase or decrease the time by 5 minutes.

Edit the rooms, leave them empty or fill them randomly.

Click on Create.

You can enable the permission for new participants to enter Rooms randomly.