Carbon Cube #1 measure approximately 1 1/4" x 1 1/4" x 1 1/4" (32mm x 32mm x 32mm) and weigh approximately 1.9 ounces (49.5 grams). These cubes are very unique and are set up like the Periodic Table of Elements (Chemistry). They are also fragile, so please take care with them. These are $30.00 USD each.