Eradicate the dreaded virus with Vaccine.
Virus Scope: Eye hole is on the bottom.
Syringe Scope: Cylinder and piston are connected by a magnet.
Therefore, you can hold the cylinder with your left hand and turn the piston with your right hand.
If you remove the Piston, it becomes a normal kaleidoscope.
Vaccine Scope: Eye hole is on the bottom.
All 3 types have built-in LED.
Automatic ON / OFF: The LED turns on when you hold the Scope in your hand, and turns off when you put it on.Battery replacement is easy.