There are many online places that sell tape dispensers. You can find them at 3M Solutions, Flip Kart and Target online. You can also purchase tape dispensers at Walmart online. All of these sites have many dispensers to choose from when purchasing your tape dispenser.
There are sets available that include both the calculator and the tape dispensers but not an all in one unit.
Packing tape dispensers are sold in lots of 12, 24 and 36 rolls. The wider the tape, the smaller the lot size. One would be advised to determine the number of boxes one will be taping before purchasing the tape dispensers.
1 ounce
Check amazon! I found some there
There are several places one can go to find different types of Scotch tape dispensers. Online retailers include Amazon and the official Scotch tape website. Retailers that offer both online and in store purchase options include Staples and Office Max.
Go to the store you bought the dispenser from. They might have them or tell you where to get some
It is probably cheaper to buy packing tape dispensers online because you can get them a lot cheaper then in the store. The only problem with that is you have to wait for it to be delivered instead of going to the store and getting it right away.
5 grams
No, you only use a weigh tape to weigh cheese
about the size of a little brother
Depends entirely on the size of the roll. A larger roll will weigh more. A rough estimate would be 250-500 grams.