"now when it is near you make it so you can hit the part back when you click your tool when its near"

-- server script 
local part = script.Parent
local players = game:GetService("Players")

local function movePartToPlayer()
    while true do
        for _, player in pairs(players:GetPlayers()) do
            if player.Character and player.Character:FindFirstChild("HumanoidRootPart") then
                local playerPosition = player.Character.HumanoidRootPart.Position
                local direction = (playerPosition - part.Position).unit
                part.Velocity = direction * 50 -- Adjust the speed as necessary
                
                -- Check if part is near player
                local distance = (player.Character.HumanoidRootPart.Position - part.Position).Magnitude
                if distance < 10 then -- Change this value to adjust the distance at which the part can be hit
                    local tool = player.Character:FindFirstChildOfClass("Tool")
                    if tool and tool.Parent == player.Character then
                        tool.Activated:Connect(function()
                            part.Velocity = -direction * 100 -- Adjust this value to change the speed at which the part is hit back
                        end)
                    end
                end
            end
        end
        task.wait(0.1) -- Adjust the wait time for smoother or more discrete movement
    end
end

movePartToPlayer()