The Vintage Hart Toys Wiggle Writer Squiggle Motorized Pen is a unique and fun collectible pen made of plastic, With its vintage charm and motorized design, this pen from Hart Toys is sure to provide hours of entertainment for collectors and pen enthusiasts alike. this quirky and playful pen is a great addition to any pen collection, offering a fun and creative twist on traditional writing instruments. see photos for best description and condition.  I believe it has interchangeable ink.  I don't know how to get it.