Even more unique designs for your Light Phaser! This Strobotop package adds EVEN more to your collection with 18 more disks. Again, this package includes 6 more draw your own strobodisks. The fun never ends with Strobotop. It is the next generation of interactive kaleidoscopes that we enjoyed so much as children. Your child will have a ball creating their own little worlds with this amazing LED technology. A creative way to draw interest in science and away from the less productive television or video game set.