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Sunprints (or cyanotypes, or photograms) are everyone's favorite photo-sensitivity experiment, from third-graders to graphic artists and fine artists. You pick: The Sunprinters are a dozen 3-15/16" square sheets of photosensitive paper, an acrylic backing sheet and instructions. The large Sunprint Kit has (15) sheets of 12" x 7-3/4" photosensitive paper plus a clear acrylic sheet of the same size. Great for classroom demonstrations, and can be used to make prints from photo negatives as well as interesting effects from opaque or translucent objects. All you add is sunshine and water.

Shoot one of these little plastic arrow-helicopter-rotor gismos straight up with the included rubber band launcher and watch it soar as far as 300 feet! A fun outdoor toy that grows in sophistication as you learn how to adjust the arrowcopter for wind conditions and flight patterns: distance, return, circular descent etc. Our "each" contains a package of two (2). Recommended for kids over the age of 9.

This is your classic dual-threaded connector tube to link a pair of plastic bottles together, demonstrate tornado action and learn once and for all about the fluid dynamics concept of a vortex. In an homage to Dorothy in Kansas, this connector tube also comes with a tiny cow and a barn included. Also a lot of glitter, which we suppose is Oz-like. Includes instructions and a surplus-inducing QR code (to see a video) that's as dead as the Wicked Witch of the West.

Give kids a break from their screens with The Book of Ingeniously Daring Chemistry, a (241)-page hardcover edition with (24) experiments for young scientists. They’ll learn how to create hot ice, make a fossil or crystal, and conduct electricity with a pencil, among other things. Many of the greatest hits of chemistry are included—you know, hydrogen, helium, boron, carbon, nitrogen, oxygen—and there’s an illustration on just about every page. Author Sean Connolly is popular among the science kids and gives clear explanations along with the experiments so real learning can occur.

These (7) small gemstones--quartz crystal, amethyst, tiger’s eye, sodalite, aventurine, orange calcite and jasper--are approx 1/2” to 1” and will serve as either geologic specimens, jewelry-making supplies, or help in restoring your harmonious flow of energy depending on how you roll and what you’re into.

"WE DARE YOU!" by Vicki Cobb is a 322-page book for children, filled with over (300) scientific challenges and experiments that can be done with ordinary household stuff. A savvy adult could introduce kids to science by betting them their allowance money on the afore-mentioned challenges, including making square eggs without using a square chicken, writing with potatoes, blowing frozen soap bubbles, and a whole bunch more.

Ever wonder how to make your notes and invitations look old-fashioned and super-classy? Just learn calligraphy, which looks pretty easy with this Spice Box™ Calligraphy set. You'll learn the chancery style and find out some of the history behind this elegant art form. Set includes an instruction book with lots of illustrations, a cartridge pen, (4) ink cartridges, (2) 5 ml tubes of gouache, (1) classic stylus, (1) brush and (1) workbook and practice pad with special punch-out tags, bottle tags and note cards. Now all you need is candle to practice by.

Heat-sensitive duct tape changes color and gets lighter the more heat is applied, as from sunlight or your paws. Why, you ask? Billy, our social media guru, says if you ask why, you don't deserve it. Just accept that it's cooler than all of the other duct tape, especially if you make a prom dress or tux out of it. And yes, if you had a broken chameleon you could try fixing it with this, but don't tell anyone we said so. Tape is 1-7/8" wide and 30 feet long.

Make a whole bunch of fun and instructive Lego® machines/chain reaction models like marble runs and mousetraps involving ramps, buckets, funnels balances and much more. Comes with (33) Lego® elements, (6) Lego® balls, a dozen paper props, and a 78-page instruction booklet for (10) machines. You add a few common household items. Includes suggestions for more complicated devices if you have your own Lego® pieces, and if you don't, what are you waiting for? Ages 8+.

The “I Dig It! Fossils” kit was the Oppenheim Toy Portfolio’s Platinum Award winner in 2018, and we think it's still a winner because fossils are really old anyway, and never go out of style. Unlike all the u-dig-’em-up fossil kits out there, this one features real fossils, in multiples. A color manual includes intros to fossils and paleontology, with instructions on making a grid and working slowly with the included metal-tip chisel, weighted hammer/pick and sponge. Fossils include snails and snail aggregate, stony coral, shark teeth and pre-amber resin. From Thames & Kosmos® and for ages 7+, especially those interested in how the pros do it.

An advanced kit compared to the others, a little more deluxe and a little more complicated. It is an AM/FM radio kit from Elenco with over 80 pieces divided into lesson groups. PC board shows component placement to help learning and to minimize errors. It has (14) transistors and (4) diodes and measures appx. 11"x 5". Ages 12+, as considerable soldering is required.

Sometimes if you want something done right, you have to do it yourself, and that often applies to kaleidoscopes. Build your own 10” version and fill it with trinkets and baubles to create a personalized dazzling vision. Comes with a paper cone, eyepiece, holographic foil, glow stars, beads, crystals and detailed instructions. Yes, you can add your own baubles.

No, that's not a contradiction. These are real arrowheads, made like the originals, but as replicas. You get a clear-plastic case with (4) of them, (2) made from jasper and (2) from obsidian. Sizes range from 1-3/8" long to approx 2". Has a short fact sheet, but no arrows.

When you peer through your magnifying glass at this specimen, or focus your microscope on it, even at the lower magnifications which work best, you're looking at one big bug. Make that (4) big bugs. The insects are real, encased in clear acrylic blocks 1-3/4" x 1-1/4" x up to 11/16" thick, and ready for inspection. Set 1 includes a scorpion, giant ant, wasp and a flower bug. Set 2 is a cricket, locust, yellow leaf beetle, and crab. No, not a crab louse or a crab spider, but definitely a crab ugly.

A Classic 6" x 8-1/2" x 3/8" Ant Farm. The ants will live between two parallel sheets of clear plastic and you will be able to watch them build their tunnels and chambers. Complete with sand and instruction booklet on the care, feeding watering and watching of your pet ants. Stands upright on its own base and includes an escape proof cover. Assuming you want live pets, you just order them online using the included code and weather permitting, the ant man will ship a small vial of the little critters straight to you. Comes with clear plastic tubing to create your own runways or buy multiples and connect them for your very own ant city. 

Teaching a kid how to manage time—hey, that’s up to you—but this wind-up clock kit teaches kids the basic mechanical principles of gears and pendulums. Clock has a clear body, approx 7-3/4” dia x 1” deep with a 1/2” tall base, and individually colored gears for easy identification. It’s spring-driven, so no batteries are needed. Bell "dings" in 15-minute intervals. Tweaking the pendulum mounting, and tuning it, takes a little focus. Ages 6-10. ! WARNING: CHOKING HAZARD–Small Parts. Not for children under 3 yrs.

Eschew plastic models. Go ahead, we won’t tell. And then try these nostalgic wooden kits from Pathfinders Design & Technology. All pre-cut pieces, held together only by wooden pegs, they each take about an hour to build. You pick: the Catapult, approx 9” tall on an 11-1/2” base, and including a few clay balls for assaulting castles (ages 14+); the Ballista, as used by the Romans, which will stand approx 7-1/8” tall x 10-5/8” long (ages 14+); or the Trojan Horse, which will stand approx 11-13/16” tall x 12-3/16” long (ages 8+). Note, figures not included.

Could be a new line of cologne, but in fact, it’s a clever kinetic action demo kit called Wave Wires® with magnets marked for polarity, and mounted on (4) 8-1/2” long wires attached to a 4-1/4” square steel base. Includes a dozen 1/2” dia steel disc weights, an acrylic ring and an 8-page activity booklet. The attraction/repulsion magnetic properties cause the magnets to swing on top of the wires like old-time circus acrobats. Ages 8-14. Really cool, if we don’t say so ourselves.