Fun Kid Activity: Lines of Colored Tape, straws and pompoms. Try straws and cotton balls. Adding the lines ups the challenge. Using pompoms allows you to adjust the size from tiny to pretty big. The pompoms are also nicer looking.
Gross Motor Sensory Play Ideas for Sensory Processing Play
Make a Marshmallow Blow Gun out of PVC Pipe. To shoot, simply stick a mini marshmallow in the end of the gun and blow. The amount of air power is important. This would definitely make a great project (Bottle Rocket Pvc Pipes)