Amazon has the Fisher-Price DoodlePro, Trip, (Red) for $3.77 as an add on item was $11.99!
Draw & erase…over & over again
Magnetic pen with spring-loaded screen-saver tip
Tethered pen stores securely on the Doodle Pro Trip
Easy-slide eraser “magically” cleans screen
Small size fits on a child’s lap for car or plane travel