Make your own homemade silly putty with just cornstarch and dish soap! It’s perfect for sensory play, therapy putty, or grown-up stress relief. Budget-friendly, screen-free fun for all ages! Let’s be ...

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Welcome to PopSci’s at-home science projects series. On weekdays at noon, we’ll be posting new projects that use ingredients you can buy at the grocery store. Show us how it went by tagging your ...