inside

the new
box

TRY IT

inside

the new box

TRY IT
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what's included

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Camera Lucida

For centuries, master artists cheated the system using the Camera Lucida—a clever optical tool that superimposes a ghost-like image of reality directly onto your paper so you can trace it perfectly. Our innovative modern redesign is the first to include built-in polarizing filters, allowing you to manipulate light and capture perfect perspective in any room.

Group 118005.png__PID:257f4bee-c230-425c-93d3-12fc017ad2df
Ambigram / Zoetrope
Coin & Stand

Adjudicate life’s important decisions with this hypnotic challenge coin featuring a central ambigram that impossibly reads "heads" from one direction and "tails" from another. Give it a spin on a table or its custom stand, and the outer border transforms into a living zoetrope animation right before your eyes. It’s physics, optical illusions, and destiny—all packed into a single flip.

Group 118004.png__PID:53257f4b-eec2-40b2-9c53-d312fc017ad2
Spectropia

A premium, newly updated edition of the classic 1864 book of optical illusions by J.H. Brown. Originally published in 1864 to scientifically disprove the existence of ghosts, Spectropia exploits your eyes' natural cone fatigue and persistence of vision to summon vivid, colorful illusions out of thin air. By staring at these meticulously restored plates for thirty seconds and looking at a blank wall, your own brain creates the "specter" right in front of you. It's a gorgeous, slightly eerie piece of psychological history, updated just enough for the modern mind to explore.

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Dog Safety Shirt

Your dog might think you’re full of bones—unless you’re wearing this shirt, which uses a highly specific color palette completely indistinguishable to canine vision to trick them into thinking you're bone-free. To human eyes, the bright color vision reveals a hilarious hidden truth, but to your pup, you’re just a safe, non-tasty friend. 

Group 118002.png__PID:63f05325-7f4b-4ec2-b0b2-5c53d312fc01
Numeral Puzzle

This brutal packing puzzle challenges you to dump out a complete set of classic, seven-segment digital digits and figure out how to squeeze them all back into a single, perfect rectangle. It looks deceptively simple, but the geometry of these numerical shapes will quickly turn a basic spatial task into a deeply frustrating, wonderfully addictive brain-melter. 

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Stickers Dogs Can't Enjoy

These custom stickers look like vibrant, cool designs to human color receptors, but to a dog's limited visual spectrum, they instantly flatten into meaningless, gray-scale blobs.

what's included

Group 118006.png__PID:7f4beec2-30b2-4c53-9312-fc017ad2dfd9
Group 118005.png__PID:257f4bee-c230-425c-93d3-12fc017ad2df
Group 118004.png__PID:53257f4b-eec2-40b2-9c53-d312fc017ad2
Camera Lucida

For centuries, master artists cheated the system using the Camera Lucida—a clever optical tool that superimposes a ghost-like image of reality directly onto your paper so you can trace it perfectly. Our modern redesign is the first to include built-in polarizing filters, allowing you to manipulate light and capture perfect perspective in any room.

Ambigram / Zoetrope Coin & Stand

Adjudicate life’s important decisions with this hypnotic challenge coin featuring a central ambigram that impossibly reads "heads" from one direction and "tails" from another. Give it a spin on a table or its custom stand, and the outer border transforms into a living zoetrope animation right before your eyes. It’s physics, optical illusions, and destiny—all packed into a single flip.

Spectropia

A premium, newly updated edition of the classic 1864 book of optical illusions by J.H. Brown. Originally published in 1864 to scientifically disprove the existence of ghosts, Spectropia exploits your eyes' natural cone fatigue and persistence of vision to summon vivid, colorful illusions out of thin air. By staring at these meticulously restored plates for thirty seconds and looking at a blank wall, your own brain creates the "specter" right in front of you. 

Group 118001.png__PID:7363f053-257f-4bee-8230-b25c53d312fc
Group 118002.png__PID:63f05325-7f4b-4ec2-b0b2-5c53d312fc01
Group 118003.png__PID:f053257f-4bee-4230-b25c-53d312fc017a
Dog Safety Shirt

Your dog might think you’re full of bones—unless you’re wearing this shirt, which uses a highly specific color palette completely indistinguishable to canine vision to trick them into thinking you're bone-free. To human eyes, the bright color vision reveals a hilarious hidden truth, but to your pup, you’re just a safe, non-tasty friend. 

Numeral Puzzle

This packing puzzle challenges you to dump out a complete set of classic, seven-segment digital digits and figure out how to squeeze them all back into a single, perfect rectangle. It looks deceptively simple, but the geometry of these numerical shapes will quickly turn a basic spatial task into a deeply frustrating, wonderfully addictive brain-melter. 

Stickers Dogs Can't Enjoy

These custom stickers look like vibrant, cool designs to human color receptors, but to a dog's limited visual spectrum, they instantly flatten into meaningless, gray-scale blobs.

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$100+ value per box

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NOW SHIPPING

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Watch Kevin Pack Your New Curiosity Box

THE CURIOSITY BOX DIFFERENCE

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Support New inventions

Curiosity Box subscribers support the creation of new science tools, toys, and experiences. The subscription model allows us to fund original product development of weird, ambitious, and experimental builds.

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Explore Your Love of Science

Science doesn’t stop after the classroom. The Curiosity Box is built for adult curiosity, not kids crafts. We deliver real scientific principles that encourage intellectual play and hands-on learning through interaction.

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Discover limited-Edition Collectibles

These aren’t mass market toys, they’re creator-driven inventions. Curiosity Box subscribers get first dibs on these unique inventions you won’t find in retail stores, all developed by our team.

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Vsauce fan merch

The Curiosity Box directly supports Vsauce–yep, it’s Vsauce merch. Each item gets the Vsauce stamp of approval, and most of them come straight from his brain. It’s a must-have for the ultimate Vsauce fan.

PAST BOXES

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Spring 2026

• Rabbitduck Plush
• Inq’s Curious Egg Molds
• Yellowcake Spring Break T-Shirt
• Periodic Snail Pin
• Ambicuties Stickers

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Winter 2025

• Orrery Calendar
• Robinson Crusoe Book
• Erdapfel Coasters
• Inq Blocks Puzzles
• Möbius Scarf

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fall 2025

• 4-Dimensional Tape Measure
• Mr. Wiggle’s Goofy Giggle-Jiggle Siphons
• Inq’s Practical Slap Bracelets
• Animal Architecture Book
• Types of Time Travel T-Shirt

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SUMMER 2025

• Slide Rule Chopsticks
• History of the Earth Helical Jigsaw Puzzle
• Prism
• Puzzle Me Twice Book
• Bezold-Stroop Shirt

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SPRING 2025

• Metal Lego-Compatible Bricks
• Nitinol Paperclip
• Omnijump Game
• Illusion Sticker Pack
• Illusion T-shirt
• What Is Color? Book

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WINTER 2024

• Schmoyer Sundial
• Rainbow Diffraction Chocolate Mold
• Wire Puzzles
• Bohr Atom T-shirt
• The Clock That Went Backward Book

the new
box

Order now
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