Dizzy Gels - Make fantastic squiggles and patterns with this brilliant vibrating blue or pink JML pen, which is fun to doodle and draw with. The battery-operated pen gives you unique drawing and writing patterns that kids love to experiment with. You can hold the pen close to the tip for brilliant small squiggles and up near the top for extravagant ones. The dizzy gel pen is designed to work with various pens, pencils, and crayons so you can put it in any of your existing crayons to make amazing pictures. The Dizzy Gel Pen can be used with your crayons but also comes with two gel ink cartridges for you to experiment with. The set includes 2-Ink Pens - Pink/Blue and 8 Refills.