World’s Easiest Paper Ninja Knife – 100% DIY, $0!

I made a paper ninja knife in just 30 seconds — using only one sheet of paper and $0!

This quick and fun DIY is perfect for fans of ninja weapons, paper crafts, cosplay, or anyone who loves making cool things at home.

✅ 100% free and beginner-friendly
✅ Great for kids, anime fans, or DIY lovers

If you love easy crafts, ninja-themed DIYs, and cool paper projects, this one’s for you!

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