4-Dimensional Tape Measure
The first tape measure in history that can measure space and time as a cleverly disguised pendulum.
Goofy Giggle-Jiggle Siphon Straws
Two self-starting siphons for you to move liquid from one place to another with a quick jiggle! Can also be used as regular straws.
Inq’s Practical Slap Bracelets
One is a ruler. Another lets you determine the diameter of a cylinder. And if you’re lost in time, the third helps you prove that you’re from the future.
Types of Time Travel T-Shirt
Featuring the major types of time travel from your favorite (and sometimes obscure) time travel movies, books, TV shows, and other fiction.
Animal Architecture Book
Architecture school is officially open to all species—in a stunning coffee table book!
THE BOX
Find our anamorphic-letter tribute to Einsteinian relativity: the words "spacetime" and "massenergy."
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Watch Kevin Pack Your New Curiosity Box
PAST BOXES
SUMMER 2025
Slide Rule Chopsticks • History of the Earth Helical Jigsaw Puzzle • Prism • Puzzle Me Twice Book • Bezold-Stroop Shirt
SPRING 2025
Metal Lego-Compatible Bricks • Nitinol Paperclip • Omnijump Game • Illusion Sticker Pack • Illusion T-shirt • What Is Color? Book
WINTER 2024
Schmoyer Sundial • Rainbow Diffraction Chocolate Mold • Wire Puzzles • Bohr Atom T-shirt • The Clock That Went Backward Book
FALL 2024
Body Deck Transparent Cards • EDC Multifool • Ambigram Escape Puzzle • Euclid Sticker Pack • Uranus Black Hole T-shirt • Euclid's Elements Book
SUMMER 2024
Mars Simulation Soil • Picture Pie Mathematical Drawing Kit • Shadow Alphabet Puzzle • Prime Knot Stickers • Amphichiral Knot T-shirt • Why Knot? Book
SPRING 2024
Diamond Hourglass • Spin Blow Spinning Top • Solar Lighter • Inq's Octopuzzle • Useful T-shirt 2.0
