How do I make a "tall character" developer product?

Hello there everyone! Recently, I have been wanting to make a “Tall Character” developer product. Basically, you would buy it from stepping on a platform. Once you buy the developer product, it would make you x2 height until you leave the game. I have looked everywhere for this but can’t seem to find it anywhere. If anyone could help at all please do!

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There’s a NumberValue inside of your Humanoid called “BodyHeightScale”. If you change this value, it will automatically stretch your character to be taller.

image

This is my character when I set the height scale to 2 (you might also want to increase the width/depth scale as well a little bit):

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Yes, but how would I make it so that it only works when they buy a developer product?

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Here is an article

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Thank you. How do I make the character go x2 when it is bought though? That’s where I’m stuck at mainly.

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https://developer.roblox.com/en-us/api-reference/callback/MarketplaceService/ProcessReceipt

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Humanoid.BodyHeightScale.Value *= 2

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