Celestite Tumbles #1 measure approximately 1/2" to 1". I have not been able to get these for over a year (2013). Please let me pick one for you. These are $5.00 USD each.
Celestite Tumbles #2 measure approximately 7/8" to 1 11/16" (23mm to 42mm) and weigh approximately .4 to 2.4 ounces (9.4 to 60.8 grams). Please let me pick one for you. These are $4.00 USD each.