you should aim for a pencil case with 3 pockets. these are popular between 3rd to 5th graders.
You can buy a pencil case from any department store. Hint: Try Wal-Mart.
Whs & Asda
There are many retailers which sell vintage leather pencil cases. Amazon offer a Vintage Style Rollup Pencil Case. Alternatively, Notemaker offer a Barbara Wiggins Vintage Crackle Leather Pencil Case.
NO best buy doesn't even have a vending machine!!
Pencil.. Because you can erase it in case you mess up.. Or buy an erasable pen.. They can be found at OfficeDepot or HobbyLobby..
from staples.
You can get this pencil at a store called Tokyo Lifestyle in 0.5mm.
You can buy pencil lead at almost any store but since mechanical pencils are cheap u can't buy one certain part
If you're looking to buy a purple laptop case here's where you can look. Stores like Best Buy, Walmart, and Micro Center will have the case. If you want more variety, online stores are the way to go.
amazon or ebay
an eraser or a pencil
In my opinion best way is AMAZON