These Wartenberg Neurological Pinwheels are surprising amounts of fun for everything from advanced players to beginners -- it makes a great first toy. The wheel is covered in sharp spikes, and the stimulation from the many pins is fascinating, If you're blindfolded, you'd swear you were being cut with a scalpel, even though nothing has even penetrated your skin.
| Specification | |
| Material | Metal |
| Power | No |
| Smartphone Control | No |
| Vibration | No |
| Waterproof | No |