Hello World (Practice Version) Artist: Xdinary Heroes Format: CD New: OUT OF STOCK. Contact us for availability. $24.28 Unavailable Wish Formats and Editions More Info: iPad style Notebook. 1x CD-R, 1x Photobook, 1x Photocard (random), 1x Folding Photocard (random), 1x Popup Card, 1x Hologram Sticker, 1x Hidden Poster (random, pre-order only), Autograph Polaroid Poster (pre-order only)