Ball point pen with liquid filled body. Tip the pen upside down or from side-to-side and the colourful blobs inside will form bubbles and slowly gloop around in a hypnotic fashion. Twist the end of the pen and it exposes the nib, allowing you to write as the blobs float around inside the pen body.
- Liquid filled pen
- Colourful blobs move when the pen tilts
- Twist bottom to reveal pen nib