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.
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.
One can buy PEZ refills at a wide array of retailers, they can be bought at Amazon, ebay, walgreens, candywarehouse. Many retailers carry them online.
One can purchase MiniDV Tapes Online from the following stores: Amazon, Tape City, Digital Media, Riviera Multimedia, eBay, Tapes Stock Online, Best Buy, Dick Smith, Currys, Tape Online.
Sealing tape can be purchased at one's local stores including Walmart, Office Depot, Staples, and Sears. One can also purchase sealing tape online at Amazon.
One can purchase 3M VHB tape from a number of stores and online retailers. The tape is available to buy from Staples, Amazon, eBay, Viking Tapes and Shop3m.
Acrylic literature dispensers can be purchased at stationary stores or alternatively can be purchased from online websites. Some websites that feature the dispensers are Display2go and Amazon. The dispensers can either lay flat or be wall mounted to highlight the literature.
Tape guns can be bought through multiple locations online at different cost. One of the most common places to buy them is through Amazon and the Home Depot website.
Shampoo dispensers can be purchased in many places. Amazon and eBay sell these online. Alternatively a bathroom or home store such as Bed Bath & Beyond sell them.
There are many places one can purchase packaging tape. One can buy it from Amazon, Office Depot, Walmart or Home Depot. One can also buy packaging tape from ebay.
There are plenty of places where you can buy colored masking tape. The easiest is Amazon.com. OfficeMax.com is another web site that sells the tape. If you don't want to buy it online. You can go to Staples if you want to buy it at a store.