Take your Halloween jack o lantern or pumpkin to the next level with these simple science-based special effects.
Rainbow Fire Jack-o-Lantern
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This fiery Halloween jack-o-lantern gets its special effect from hand sanitizer! It's an easy effect to produce, although the fire only burns until the alcohol in the sanitizer has been used. This is good, though, because this makes the project very safe! Once the alcohol burns, all you're left with is scented water on the jack-o-lantern
Flame Thrower Jack-o'-Lantern
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This Halloween jack-o'-lantern shoots out a column of flame a few feet high for hours. Plus, you can customize the color of the flame to suit your holiday theme. This is a simple, yet spectacular fiery pumpkin.
Green Fire Jack o Lantern
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Nothing says cool like green fire, right? Maybe I'm biased, but I think a Halloween jack o lantern that spouts green fire is about as cool as it gets. This is a simple effect to produce, requiring only two easy-to-find chemicals
Glow in the Dark Jack o Lantern
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The best part about this cool Halloween jack o lantern is that you don't need to carve your pumpkin. This means your jack o lantern can last for weeks instead of days and that you won't need to risk a trip to the emergency room if you're more butcher than an artist when attempting carving
Dry Ice Fog Jack o Lantern
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If you fill your Halloween jack o lantern with dry ice fog you don't have to wait until night to enjoy it. This is a simple display that can last for hours.
Smoke Bomb Jack-o-Lantern
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Smoke bombs aren't just for July 4th! They are cool any time of the year. If you light a homemade smoke bomb inside of a Halloween jack-o-lantern you'll get purple flames and tons of smoke. Outdoors only, please...
Self-Carving Exploding Pumpkin
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This is arguably the coolest of the Halloween jack o lanterns, but it's also the most risky. Attempt this one only if you have some chemistry or pyrotechnics training, otherwise read about it and play with green fire instead.
Spooky Water Fog Jack-o-Lantern
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This Halloween jack-o-lantern spews out real water fog, so it is completely non-toxic and safe, even for young kids. Use a water-based fog maker, such as the type used in table top fountains. Place it in the pumpkin, fill the interior with water up to the bottom of the "mouth" and enjoy the effect.
LED and Bubbles Jack-o-Lantern
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Tape an LED to a lithium battery to make an LED glowie, seal it in a plastic baggie, and place it inside your jack-o-lantern. Now, add dry ice, hot water and a squirt of dishwashing detergent. This is a dynamic colorful effect that lasts as long as there is dry ice. Simply add more to keep it going.
Fire Breathing Dragon Pumpkin
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Carve a Halloween dragon pumpkin and then apply chemical know-how to make it breathe smoke and red fire. Don't worry, the pattern for the dragon is included!
Red Flames Halloween Jack o' Lantern
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Fill your Halloween pumpkin with sinister red flame using common chemicals. The effect lasts for 30 minutes to a couple of hours, depending how much fuel you supply.
Safe Self-Carving Jack-o'-Lantern
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This version of the self-carving jack-o'-lantern blows out the carved face of the pumpkin, but doesn't carry the risk of fire or an explosion. It's still fun, but it's safe. Plus, you can use common household materials to achieve the effect.