Hi, Im Making A Tycoon Kit But I Have Problem with in pairs.So i need from you some help pwease???

local Object = workspace.TycoonKitV2.Purchase:WaitForChild(script.Parent.Parent.Parent.Parent:GetAttribute("Object"))
script.Parent.Text = script.Parent.Parent.Parent.Parent:GetAttribute("Object").." "..script.Parent.Parent.Parent.Parent:GetAttribute("Cost").."€"
script.Parent.Font = script.Parent.Parent.Parent.Parent.Parent.Parent:GetAttribute("Font")
for index, descendant in pairs(workspace.TycoonKitV2.Purchase:WaitForChild(script.Parent.Parent.Parent.Parent:GetAttribute("Object")):GetDescendants()) do
    print(descendant.Name)
end
for index, descendant in pairs(workspace.TycoonKitV2.Purchase:WaitForChild(script.Parent.Parent.Parent.Parent:GetAttribute("Object")):GetDescendants()) do
    print(descendant.Name)
    if descendant:IsA("BasePart") then
        print("Base")
        local Transy = descendant.Transparency  
        descendant.Transparency = 1
        while true do
            if Object.Parent == workspace.TycoonKitV2.Purchased then
                descendant.Transparency = Transy
            end
            wait(0.1)
        end
    elseif descendant:IsA("TextLabel") then
        local Transy = descendant.Transparency  
        descendant.Transparency = 1 
        while true do
            if Object.Parent == workspace.TycoonKitV2.Purchased then
                descendant.Transparency = Transy
            end
            wait(0.1)
        end
    elseif descendant:IsA("Part") then
        local Transy = descendant.Transparency  
        descendant.Transparency = 1 
        while true do
            if Object.Parent == workspace.TycoonKitV2.Purchased then
                descendant.Transparency = Transy
            end
            wait(0.1)
        end
    end
end