An adjustable ring having a curved section and two telescoping arms. Each telescoping arm comprises two or more tubes that move relative to each other in a concentric manner between a collapsed state and an extended state to accommodate various amounts of sheet or sheet-like materials. A ring binder can be constructed using one or more of the adjustable rings.

An adjustable ring having a curved section and two telescoping arms. Each telescoping arm comprises two or more tubes that move relative to each other in a concentric manner between a collapsed state and an extended state to accommodate various amounts of sheet or sheet-like materials. A ring binder can be constructed using one or more of the adjustable rings.

An art kit and a method for forming a three dimensional rhinestone image from a plurality of rhinestones attached to an object serving as a substrate for the rhinestone image. A rhinestone positioning image formed on the object guides placement of individual rhinestones with a pick and place tool to form the three dimensional rhinestone image. Individual rhinestones may be picked up and placed within a boundary of the rhinestone positioning image by the pick and place tool. Rhinestones are preferably attached to the object by adhesive. An art kit embodiment may include a sheet with a rhinestone positioning image and/or a book having a plurality of pages, at least one page in the book including a rhinestone positioning image.