We are professional produce the promotional gifts ,and the plastic puzzle cube,more size for your choice. Magical Cube, Magic Advertising Cube1) Advertisement magic puzzle suits all kinds of calling sale promotion 2) Custom Sticker for your artwork.3) Many size for choice,3X3CM,3.5X3.5CM,4X4CM,4.5X4.5CM,5.4X5.4CM,6X6CM,6.5X6.5CM,7X7CM,7.5X7.5CM,8,5X8.5CM,9X9CM.all mini size is with keychain.