Construction / Mechanical Kits
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107-PIECE ZIVKO STEM ROBOT KIT
What Has Six Legs & Follows You? Zivko the Robot is back in stock! Our best selling STEM kit ever! Just call her (or him--it’s unclear and we don’t like to ask) “Zivko” because “the Robot” is her last name. Using...$46.95$46.95 -
SALE
Joystick Controlled Robotic Arm Kit
Before robots take over completely, it might be a good idea to learn a little about how they work. Start with this Elenco® Joysticks Robotic Arm Kit. After building it, you’ll understand mechanical basics and be able to watch the inner parts...$39.50$48.5019% OFF$39.50$48.5019% OFF -
SALE
ELENCO BRIC ESSENTIALS 225 PIECE SNAP CIRCUIT
Snap Circuits™ has added Brics, their name for little plastic building blocks that are, luckily, compatible with Lego, those other little, inerlocking plastic building blocks you have. This award-winning 225-piece Bric Essentials set has sheets and...$19.50$24.9522% OFF$19.50$24.9522% OFF -
SALE
TEACH TECH KEYBOARD CODING ROBOT
Meet KC3, a one-of-a-kind, build-it-yourself Keypad Coding Robot. Like you, KC3 is unplugged! No need for a computer or app! Practically human! But seriously, bot builders, this adorbs 6” high x 7” long mission-based coding buddy is designed...$19.50$24.9522% OFF$19.50$24.9522% OFF -
NEWTONS LAWS, INERTIA ENERGY STEM
The ingenious Sir Isaac Newton spent years coming up with his laws of motion, but now your kid can learn all about them fast by building (8) working models in this Discovering STEM Newton’s Law snap-together kit from Engino®. Models include a...$14.95$14.95 -
WOODEN MODEL CATAPULT KIT
Lay Siege To The Doghouse! Right after you build your own working medieval catapult or trebuchet. All you’ll need is glue, scissors and a steady hand (plus a small bag of marbles or rocks or something as a counterweight for...Starting at $15.95Starting at $15.95 -
LEGO CHAIN REACTION KINETIC KIT
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,...$29.95$29.95 -
BOWLING ALLEY, DIY CARDBOARD
These DIY cardboard game kits are fun and easy to assemble. A relatively small number of components and basic instructions allow kids to put them together and begin play quickly. No tools or batteries needed. Included instructions promise assembly in 45...Starting at $12.50Starting at $12.50 -
UGEARS 8-COMPARTMENT WOODEN BOX KIT
The secret is in the gears. This 185-piece kit from UGEARS® assembles in 2-3 hours without glue or tools, and results in an 8-compartment box. Opening the lid activates (3) main blocks to the side and front. A third block moves a lower drawer with...$49.95$49.95 -
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STATUE OF LIBERTY FOAM MODEL
That's what Emma Lazarus called Lady Liberty in the poem at her feet, and this model is a mighty good way to give the kids a little history lesson. Made of long-lasting foam, she’ll stand approx 20” tall when complete on her base. You punch...$1.95$3.7548% OFF$1.95$3.7548% OFFQty in Cart: 0Price:$1.95$3.7548% OFFSubtotal: -
D.I.Y. MECHANICAL CLOCK KIT
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”...$24.95$24.95Qty in Cart: 0Price:$24.95Subtotal: -
STAR WARS CUT-OUT MODEL BOOK
Bring the future back to the analog world it was created in. This Star Wars The Last Jedi book and model set includes a Styrofoam cut-out model of the Silencer that you can put together, and a cool (32)-page book you can read. It’s got instructions...$6.75$6.75 -
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STEM ROBOTIC ARM KIT JOY-STICK CONTROLLED
It doesn't get much cooler in the robotic-arm-kit game. The STEM educational arm is 15" tall x 9" long x approx 3-1/2" wide (once assembled, of course). It's 2-pronged hand opens to 1-3/4", lifts up to 3.5 oz (100g), swings 120 degrees at the wrist,...$39.50$59.9534% OFF$39.50$59.9534% OFF -
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MECHANICS STEM, WHEELS, AXLES & INCLINED PLANES
Link And Leverage, Kids Show a kid the wonderous ways of mechanics with this Discovering STEM Mechanics kit from Engino®. They’ll learn about levers, linkages and structures when they’re building any of the (16) working models, such as a...$12.00$14.9520% OFF$12.00$14.9520% OFF -
SALE
LEGO GADGETS KIT, 58-PIECE WITH MANUAL
This Lego® set from Klutz has (58) pieces, including gear wheels, bricks, axles and connectors to build (11) gadgets, including a claw, catapult, assorted vehicles, robots, a fan and a hand-held blender thingy. Includes a 78-page manual with...$21.95$24.9912% OFF$21.95$24.9912% OFF -
UGEARS WHEEL ORGANIZER WOODEN MODEL KIT
U Up For Ugears? UGears® is the model company that specializes is wooden steampunk versions of otherwise simple objects, perfect for perfectionist painstakers who revel in constructing complicated kits. (You know who you are.)...Starting at $12.95Starting at $12.95 -
METAL EARTH BLUE TARDIS MODEL KIT
Who’s Metal Model From Metal Earth®, the people who make shiny metal 3D models, now comes the Doctor Who T.A.R.D.I.S. metal model. All punch-outs with no glue or soldering required. 1-5/8” square x 3-1/4”...Starting at $15.95Starting at $15.95 -
MARBLE MANIA HOTSHOT CONSTRUCTION KIT
The Indy 500 dropped that “Gentlemen” intro years ago, and so do we for the start of the most exciting marble-maze run this side of wherever the other most exciting marble-maze run is held. The (100)-piece Marble Mania® HOTSHOT...$35.50$35.50 -
UGEARS DATE NAVIGATOR KIT
See The Future We’re all out of crystal balls, but can we interest you in a UGears® Date Navigator kit? It’s a 21-piece interactive, kinetic, wooden puzzle that has labels for the year, month, date and day of the week. A kid can build it...$13.95$13.95 -
AUTOMATA WOODEN FISH AUTOMATON
No More Wood Puns? Wood or wooden you like to never see another pun on wood or wooden? Too bad--we’re not even trying to quit. Meanwhile, you can try this wooden wiggling fish. Made from laser-cut pieces that you peg or glue...Starting at $9.95Starting at $9.95 -
JUMBO WOOD PTERANODON SKELETON, 48" WIDE
Ginormosaur Insides Even the squeamish can build these jumbo kits from Heebie Jeebies because they’re skeletons—no guts—and they’re made of wood. No glue required, and sandpaper and instructions are included...$27.65$27.65 -
ROLLER COASTER ENGINEERING KIT
This amazing STEM kit from Thames & Kosmos explores physics in a fun, visual way that’s like a day in the park—the amusement park. Kids design and build working roller coaster models, and conduct hands-on physics experiments to learn about...$49.95$49.95 -
JUMBO WOOD T-REX SKELETON. 20" TALL
Ginormosaur Insides Even the squeamish can build these jumbo kits from Heebie Jeebies because they’re skeletons—no guts—and they’re made of wood. No glue required, and sandpaper and instructions are included...$27.65$27.65 -
SMARTIVITY LASER-CUT WOODEN PINBALL KIT
From Smartivity®, the company that makes DIY toys that moonlight as STEAM teachers, this Pinball Table kit is made of re-engineered laser-cut wood (recyclable, non-toxic and sustainable), and is assembled using only rubber bands, with no glue...$39.95$39.95 -
ELENCO MECH5 ROBOT STEM KIT
From Elenco®, than whom nobody is cleverer, this MECH5 kit--a STEM kit--will make (5) robots, all of which use a mechanical coding wheel instead of software. They perform tasks, including forward, back 45 or 90 degrees, left or right turns, and...$39.95$39.95 -
WORKING WOODEN DAVINCI AERIAL SCREW HELICOPTER
Leo Vinci Kits Return with us now to those thrilling days of the 15th century, when Leonardo was designing stuff you wouldn't have thought of even if you'd paid attention in class and applied yourself. You choose from these wooden...Starting at $19.95Starting at $19.95 -
STEEL FERRIS WHEEL WITH MUSIC BOX KIT
Let them build like their grandfather built. This colorful Steel Works Ferris Wheel construction kit from Schylling has over (950) pieces, plus tools to assemble a 14” tall model. We’re talking about hours of fun and brain challenges here!...$56.95$56.95 -
MARBLE MANIA EXTREME GLO KIT
Marble Mania® Extreme Glo is an action-packed marble maze kit that stands more than 2 feet high and has a power lifter, windmill drop and bright LED lights. It’s a STEM kit, and includes more than (200) colorful pieces, including marble...$64.95$64.95 -
14-IN-1 SOLAR ROBOT KIT 14 DIFFERENT PROJECTS
Start your children on the path to learning the basic concepts of solar tech. This multi-bot STEM education solar kit includes a 1.5V solar cell, a small DC motor and gearbox and a boatload of parts that will let you make (14) different comical and...$34.95$34.95 -
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ENGINO FLUID DYNAMICS BUILDING KIT
You probably won’t leap from the bath and run naked shouting “Eureka!” once you understand fluid dynamics, but you can follow in Archimedes footsteps with this physics kit full of experiments and theory. Build (6) different models...$29.00$49.5041% OFF$29.00$49.5041% OFF -
TUMBLING HEDGEHOG STEM KIT
Sounds like a Europop group, but it’s actually your new tumbling pet. Also bristles his spines, rolls, spins and scurries. He’ll be a tad bigger than a baseball when assembled. The prewired circuitry is triggered by an audio sensor that will...$44.95$44.95 -
ENGINO Q-BOIDZ 8-IN-1 MODEL KIT
It’s every kid’s dream, ain’t it, to build their own robot? Or gator, helicopter or owl? Whatever the tykes in your life dream of building, Engino® Qboidz™ has them covered. Each of these multi-award-winning 8-in-1 kits uses...$17.50$17.50 -
GUMBALL MACHINE MAKER: STEM EXPERIMENT KIT
OK, it comes with gumballs, but they're food no matter what your mother says. You'll need them to fill this 17” tall gumball machine that you build from a (55)-piece kit. A Parents' Choice Silver Award winner, this kit teaches you physics while...$39.95$39.95 -
HYDRAULICS 4-IN-1 WOODEN SET W/SYRINGES
Hydraulics Made Easy Cleverly made, and mighty heuristic, too. For someone entranced by hydraulics, or for a whole classroom of students, there's the Pathfinders 4-In-1 teaching kit, with 4 different hydraulic-system kits that...Starting at $24.35Starting at $24.35Qty in Cart: 0Price:Starting at $24.35Subtotal: -
SMARTIVITY KIDS PERISCOPE KIT
What do submarine commanders and kids spying on their parents have in common? That's right—periscopes!—like the one your kid will make with this excellent kit from Smartivity™. Made with sustainable materials, including wood and...$29.95$29.95 -
TECHNO GEARS MARBLE MANIA Zoomerang MAZE
It’s OK to be both silly and STEM, which is why we love this action-packed Techno Gears Marble Mania® Zoomerang 2.0 marble maze with a spiral lifter. The interactive construction set includes more than (80) pieces that kids use to create their...$28.95$28.95 -
ENGINO JURASSIC EARTH S.T.E.M. KIT
Come on baby, do the Dinomotion! Dance if you like, but we’ll be here assembling this Jurassic Earth STEM kit from Engino®, and then we’ll be watching the dinosaur robots we’ve built doin’ their motion. They don’t...$24.50$24.50 -
ENGINO Q-BOIDZ VEHICLE 4-IN-1 KITS
Enhance kids’ dexterity, 3D perception and creativity with multi-colored models for surf, turf and sky. Each of these award-winning 4-in-1 Engino® Qboidz™ kits uses plastic bricks that snap together to build (1) of (4) possible models...$12.50$12.50 -
STEAMPUNK MONOWHEEL WOODEN GEAR MODEL
And this one will, running on rubber-band power after you spend a few happy hours putting it together. This all-wood, steampunky monowheel comprises (300) parts, and measures approx. 7-1/4" x 3-3/4" x 6-1/4" when completed. You'll see all the moving...$43.95$43.95Qty in Cart: 0Price:$43.95Subtotal: -
JUMBO WOOD STEGOSAURUS SKELETON, 28" LONG
Ginormosaur Insides Even the squeamish can build these jumbo kits from Heebie Jeebies because they’re skeletons—no guts—and they’re made of wood. No glue required, and sandpaper and instructions are included...$27.65$27.65