I find sensory activities very helpful during IM sessions and recommend parents visit with their OT about sensory diets. BUT not all my kiddos have OT's, so I've gathered some good sensory diet links here for you to look over.
Sensory basics: http://sensorysmarts.com/sensory_diet_activities.htmlhttp://www.sensorysmartparent.com/toysequipment.htm
Some sensory wise toys: http://www.sensorysmartparent.com/toysequipment.html
Pinterest sensory ideas: http://pinterest.com/ytherapysource/sensory-diet-activities/ I really liked this site... be creative.