Roblox Script Generated by ScripterAI

"coin collector script don't add any new parts |use a part that's already in the game"

Below is a server script that you can place in a Script object within the Workspace or ServerScriptService. This script assumes that there is a part named "Coin" in the Workspace that players can collect, and a part named "SellPad" where players can sell their collected coins. The script also assumes that each player has a leaderstats object with a "Bag" and "Coins" value.

```lua
-- Server script for coin collector system without adding new parts

-- Function to handle coin collection
local function collectCoin(player, coinPart)
    if player and player:FindFirstChild("leaderstats") then
        local bag = player.leaderstats:FindFirstChild("Bag")
        if bag and bag.Value < 3 then
            bag.Value = bag.Value + 1
            coinPart:Destroy() -- Remove the coin after collection
        end
    end
end

-- Function to handle selling coins
local function sellCoins(player, sellPad)
    if player and player:FindFirstChild("leaderstats") then
        local bag = player.leaderstats:FindFirstChild("Bag")
        local coins = player.leaderstats:FindFirstChild("Coins")
        if bag and coins and bag.Value > 0 then
            coins.Value = coins.Value + (bag.Value * 25)
            bag.Value = 0
        end
    end
end

-- Connect Touched event for all coins
for _, object in pairs(workspace:GetChildren()) do
    if object:IsA("Part") and object.Name == "Coin" then
        object.Touched:Connect(function(hit)
            local player = game.Players:GetPlayerFromCharacter(hit.Parent)
            collectCoin(player, object)
        end)
    end
end

-- Connect Touched event for the SellPad
local sellPad = workspace:FindFirstChild("SellPad")
if sellPad then
    sellPad.Touched:Connect(function(hit)
        local player = game.Players:GetPlayerFromCharacter(hit.Parent)
        sellCoins(player, sellPad)
    end)
end

-- Make sure to set up leaderstats for each player
game.Players.PlayerAdded:Connect(function(player)
    local leaderstats = Instance.new("Folder", player)
    leaderstats.Name = "leaderstats"
    
    local bag = Instance.new("IntValue", leaderstats)
    bag.Name = "Bag"
    bag.Value = 0
    
    local coins = Instance.new("IntValue", leaderstats)
    coins.Name = "Coins"
    coins.Value = 0
end)
```

This script will allow players to collect up to three coins and then bring them to the SellPad to sell them. Make sure that the parts named "Coin" and "SellPad" exist in the game, and that each player has a "leaderstats" folder with "Bag" and "Coins" values for this script to work correctly. If these do not exist, you will need to create them accordingly or adjust the script to fit your game's setup.