In games, where pretend you touch a part, and then some kinda message pops up asking you if you want to take a model or not.. How did they do this? Here's an example: https://gyazo.com/0ac9a0cd897eef9a743c8971cb616011
http://wiki.roblox.com/index.php?title=API:Class/MarketplaceService/PromptPurchase
In this case I would only think it's this .-.