These colouring sheets from Between Sessions are perfect for mindful colouring. These resources come with an introduction and helpful information from Lawrence Shapiro (Ph.D)
The Present Moment Worksheet available at education.com includes two worksheets for students to complete. They reflect on what they see, hear, touch, smell and feel in the current moment and comparing a past, present and future moment. A related lesson plan can be accessed here.
This Stop and Think worksheet from Centervention is designed to help students reflect on how their own actions impact others.