--Write in chat /e dance off to turn off 
local c=true;game.Players.LocalPlayer.Chatted:Connect(function(m)if m=="/e dance off"then c=false end end)game:GetService("RunService").Stepped:Connect(function()if c then for _,v in pairs(game.Players.LocalPlayer.Character:GetDescendants())do if v:IsA("BasePart")then v.CanCollide=false end end end end)

--[[
Clean version without anything
----------------------------
local game:GetService("RunService").Stepped:Connect(function()if c then for _,v in pairs(game.Players.LocalPlayer.Character:GetDescendants())do if v:IsA("BasePart")then v.CanCollide=false end end end end)
]]