Query about a simplified vba code that does not work

Hello .i have create this code from scratch,watching a video in youtube.
My level is at the beginning and I am learning vba code and I am trying to learn to make simple codes.
The code I have create is this

Sub objectvariables()
Dim wb As Workbook
Dim ws As Worksheet
Dim box As Range
Set wb = Workbooks(1)
Set ws = Workbooks(1).Worksheets(1)
End Sub

Then I have simplified a little .i changed the workbooks(1) in wb because in the previous line the workbook has became in wb
Sub objectvariables()
Dim wb As Workbook
Dim ws As Worksheet
Dim box As Range
Set wb = Workbooks(1)
Set ws = wb.Worksheets(1)
End Sub

After I put the variable box in the code
Sub objectvariables()
Dim wb As Workbook
Dim ws As Worksheet
Dim box As Range
Set wb = Workbooks(1)
Set ws = wb.Worksheets(1)
Set box = Workbooks(1).Worksheets(1).Range("b2")
End Sub

After I made it even more simple
Sub objectvariables()
Dim wb As Workbook
Dim ws As Worksheet
Dim box As Range
Set wb = Workbooks(1)
Set ws = wb.Worksheets(1)
Set box = ws.Range("b2")
End Sub

Then the last code is this one here.
Sub objectvariables()
Dim wb As Workbook
Dim ws As Worksheet
Dim box As Range
Set wb = Workbooks(1)
Set ws = wb.Worksheets(1)
Set box = ws.Range("b2")
box.Value = 5
End Sub

Theoretically if I run this code in cell B2 should be the value of 5(at least according to the video) .
unfortunately when I am using this code nothing happens. there are no errors in syntax but nothing happens.
Am I missing anything?
Thank you in advance

Originally Posted by CheeseSandwich

Perhaps it is getting lost on which workbook to run on, the below runs on the workbook that contains the code:

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Thank you very much my friend.this code worked perfectly.maybe it was that the problem.if i dont get any other responses later i will declare this query as solved.again thank you very much

Originally Posted by AskMeAboutExcel

Great - ThisWorkbook is similar to ActiveWorkbook. In case you aren't already aware, the only difference is that ThisWorkbook will execute the code in the same workbook that holds the macro code, whereas ActiveWorkbook will execute the code in the workbook that you run the macro from.

thank you very much for all the informations .everyday i am learning new stuff