How to do step by step product customization

Can anyone advise please which WP plugin is used to do product customization for this website, link below.

When customers can choose a background, add title, choose font etc.

Basically, I need to do step py step product customization for labels, stickers? Step 1, choose colour of the background. Step 2, write name. Step 3, choose font etc. I see WP website with this functionality but can’t find plugin for it.

Would really appreciate some directions!

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