DecoBloc™ Glass Block for Crafting Just add a touch of imagination. DecoBloc™ by Pittsburgh Corning is an authentic glass block specially designed for artists and crafters to showcase creative expression in an infinite number of ways.
Alphabet greeting: Vintage toy blocks spell out holiday messages. Look for blocks in a variety of sizes and colors. If you want to hang your creation, glue to a sturdy surface such as a board or artist's canvas.