visual stims

• those "falling glitter" tubes, I like the tall cylindrical ones the best because they last longer
• lava lamps
  • plasma globe
• a star projector
• (products at the Autism Community Store — visual)
• (products at the Autism Community Store — lighting)
• (products at Enabling Devices
• (products at the National Autism Resources)
• (products at the Autistic Innovator)
• (search for "visual sensory toys" at Amazon)
• (search for "visual sensory toys" at Google Products)

Broader suggestions of visual stims:

• good YouTube video