Bring the crackle of Thunder Breathing to your desk or cosplay shelf—minus the worry about nicks or bruises. This 16-inch plastic replica distills Zenitsu’s iconic blade into a lightweight, child-friendly showpiece that even the most over-caffeinated little demon slayer can swing safely.
What makes it spark ⚡
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Kid-Safe, Blunt & Flexible – Molded from impact-resistant ABS/PP plastic with a fully rounded edge, so it passes the “mom test” for playtime and convention halls alike. (ebay.com, halloweencostumes.com)
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True Thunder Design – Matte-black blade streaked with yellow lightning, a four-point star tsuba finished in metallic gold, and the white grip dotted with Zenitsu’s signature yellow triangles—just like the anime. (swordnarmory.com, amazon.com)
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Feather-Light Handling – Weighs about 250 g (≈0.55 lb), perfect for smaller hands yet sturdy enough for shelf display. (alibaba.com)
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Snap-Fit Saya – White scabbard with yellow pin-lines locks the blade securely; kids get the cool shing without a loose plastic projectile. (halloweencostumes.com)
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Display-Ready Out of the Box – Ships in a gloss art box with an acrylic mini stand, so the katana can “rest” between thunderclaps.
At-a-Glance Specs
| Feature |
Details |
| Overall Length |
~40 cm / 16 in |
| Blade Material |
Injection-moulded ABS (unsharpened) |
| Guard (Tsuba) |
ABS plastic, metallic-gold finish |
| Handle |
Textured white grip with yellow triangle pattern |
| Sheath (Saya) |
Matching white ABS with yellow racing stripes |
| Weight |
≈ 250 g / 0.55 lb |
Why “Thunderflash” is the perfect starter katana
Whether you’re outfitting a younger sibling for their first cosplay, decorating a study nook, or needing a harmless prop for TikTok lightning-cut edits, this mini blade captures Zenitsu’s bravest moment without any of the danger of real steel. The lightweight plastic core stays durable (40-inch ABS versions have proven to survive floor drops and con travel) (swordnarmory.com) while the 17-inch toy models on wholesale sites show how compact builds keep weight under 300 g (alibaba.com). Bandai’s larger DX sword touts “perfect play size” at 24″ for kids—this shrinks the fun to a handier 16″, keeping the safe-play ethos intact. (amazon.com)
Set your heart ablaze? Nah—set your hallway aglow with thunder! Grab the “Thunderflash” mini katana and let every whoosh remind you that courage can strike faster than lightning—no sharp edge required.
