Magic Storytime Theater Thomas James and the Red Balloon 3" Cartridge and 32 Page Interactive Book Fits all 3" diameter versions of storytime theater projectors. 3 fun storytime modes! 32 page interactive book and sound cartidge. Theater mode: narrates the story & displays the images. Read along mode: projects the images and lets you tell the story at your own pace. Bedtime mode: tells the story automatically and turns off when the story is finished.