The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
From Montessori Interactive:
Montessori Shapes: Matching is part of Montessori Interactive's series of digital classroom materials. Montessori Shapes: Matching introduces young students to the basics of shapes while improving memorization skills. The full version of the game has four difficulty levels and is available at the App Store.Questions, comments, or suggestions? Our helpful staff would love to hear from you! Email us at:Contact@MontessoriInteractive.comOr post it on our Facebook page:http://on.fb.me/MontessoriInteractive