Popular Gifts for Tweens: STEM Edition

Building and Engineering Kits That Inspire Creativity

Tweens are natural builders, always looking for ways to turn their ideas into reality. The best engineering kits do more than just fill an afternoon—they encourage kids to experiment, problem-solve, and collaborate, all while having a blast. We’ve seen firsthand how open-ended building sets can transform a rainy day into a marathon of invention. According to educators and child development experts, toys that let kids tinker and construct help develop critical thinking and spatial reasoning—skills that serve them well far beyond the playroom [1].

What sets a great building kit apart? It’s all about flexibility and challenge. Kits that offer multiple ways to build, or that can be combined with other sets, keep tweens engaged for longer stretches. For example, the Thames & Kosmos Mega Cyborg Hand lets kids assemble a fully functional robotic hand using only hydraulic power—no batteries required. This kind of project not only teaches basic engineering principles but also gives kids a sense of accomplishment when they see their creation in action [5].

LEGO remains a perennial favorite, but for tweens, it’s the more advanced lines—like LEGO Technic and LEGO Architecture—that really shine. These sets introduce concepts like gear ratios, structural integrity, and even real-world architecture, all disguised as play. The LEGO Technic Porsche 911 or the LEGO Architecture New York City set, for example, are complex enough to challenge older kids and rewarding enough to display with pride when finished [5].

We also love kits that blend building with storytelling or real-world applications. The Smartivity Pinball Machine Toy lets kids construct a working pinball game from scratch, combining physics, engineering, and a dash of arcade nostalgia. Meanwhile, the GoldieBlox Builder’s Survival Kit is designed to empower all kids—especially girls—to invent and experiment at their own pace, with over 190 pieces for endless possibilities [2].

The best part? These kits don’t just sit on a shelf after one use. They invite kids to take things apart, rebuild, and invent something new every time. That’s the kind of open-ended play that keeps curiosity alive and growing [1].

Here’s what we love:

Best Building Kits for Tweens

Coding, Robotics, and Tech Toys for Hands-On Learning

Coding and robotics gifts are more than just trendy—they’re a gateway to understanding the technology shaping our world. Tweens are at the perfect age to move beyond simple drag-and-drop coding and start exploring real programming concepts, robotics, and electronics. The right tools make these complex ideas approachable and, most importantly, fun.

One standout is the Sphero Bolt+ Coding Robot Ball, which introduces kids to coding through play. With Sphero, tweens can start with intuitive drawing and block-based coding, then progress to more advanced languages like Python and JavaScript as their confidence grows. It’s a hands-on way to learn logic, sequencing, and problem-solving, all while designing games or tackling engineering challenges [5].

Robotics kits like the Thames & Kosmos Mega Cyborg Hand or the classic 4M Tin Can Robot offer a satisfying blend of mechanical engineering and creativity. These kits encourage kids to experiment with hydraulics, gears, and circuits, giving them a tangible sense of how machines work. The process of building, troubleshooting, and finally seeing a robot move is deeply rewarding—and it’s a fantastic introduction to the engineering design process [5].

For tweens interested in electronics and circuitry, kits that allow for open-ended exploration are key. Look for sets that include modular components, sensors, and programmable elements. These encourage kids to invent their own gadgets, not just follow instructions. According to experts, toys that are adaptive and flexible—allowing for both guided builds and freeform experimentation—are the ones kids return to again and again [1].

We’re also seeing a rise in coding classes and online platforms tailored for tweens. Many parents are gifting memberships to coding camps or online courses, which can be a great way to nurture a budding interest in programming or game design. Whether it’s a local workshop or a virtual Minecraft coding class, these experiences help kids connect with peers who share their passions and build real-world skills [2].

Worth checking out:

Top Coding & Robotics Picks

Science, Discovery, and Exploration Gifts That Wow

For tweens who are endlessly curious about how the world works, science-themed gifts are a surefire hit. The best science kits don’t just deliver facts—they invite kids to ask questions, experiment, and make discoveries on their own terms. According to developmental psychologist Alison Gopnik, when children play with science toys, they’re acting like real scientists: forming hypotheses, testing ideas, and learning through hands-on exploration [1].

One of our favorite trends is the rise of mini museums—pocket-sized collections of real specimens like meteorites, lunar rocks, and ancient fossils. These tangible pieces of history ignite a sense of wonder and make abstract scientific concepts feel real and immediate. Tweens love showing off their collections and sharing what they’ve learned with friends and family [2].

Telescope kits, like the Gskyer Telescope, open up the universe for young astronomers. With the right starter scope, tweens can explore the moon’s craters, track the phases of Venus, or even spot Jupiter’s moons. These experiences foster a lifelong appreciation for science and the night sky [5].

For hands-on experimentation, look for chemistry sets, crystal-growing kits, or DIY weather stations. The best kits include clear instructions, real scientific tools, and plenty of opportunities for open-ended inquiry. We’re especially fond of sets that encourage kids to design their own experiments, not just follow a script. This kind of active learning is what keeps curiosity alive and helps kids develop a genuine love of science [1].

Don’t overlook the power of books and puzzles to inspire discovery. Literary-themed puzzles, like the Mudpuppy Bookish Cats 500 Piece Family Puzzle, combine art, logic, and a dash of whimsy—perfect for solo play or family game night [3]. Science-themed books, meanwhile, can spark new interests and provide a deeper understanding of the world.

Parents are loving these:

Favorite Science & Discovery Gifts

Creative STEM Projects and Artful Inventions

STEM isn’t just about numbers and formulas—it’s also about creativity, design, and self-expression. Tweens thrive when they can blend art and science, inventing new things and exploring their own ideas. That’s why we love gifts that encourage STEAM (Science, Technology, Engineering, Arts, and Math) exploration.

The 3Doodler Flow 3D Printing Pen Set is a standout for creative tweens. This tool lets kids “draw” in three dimensions, building sculptures, keychains, or even functional objects from plastic filament. It’s a fantastic way to introduce concepts like design thinking, spatial reasoning, and even a bit of engineering, all while encouraging artistic expression [5].

Needle felting kits, like the Woolbuddy Needle Felting Animal Kit, offer a meditative, hands-on craft that blends art and science. Tweens can learn about materials, textures, and even a bit of biology as they create their own animal figures. The process is both challenging and rewarding, and the finished products make for unique gifts or room decor [3].

Jewelry and wearable tech kits are another great option. From upcycled circuit board necklaces to architectural jewelry that teaches about wood joinery, these gifts let tweens wear their love of STEM on their sleeves—literally [2]. Not only do these projects foster fine motor skills and design sense, but they also help kids see the connections between technology, art, and everyday life.

For tweens who love to tinker, DIY catapult kits or build-your-own musical instruments offer hours of creative problem-solving. These projects encourage kids to experiment, iterate, and take pride in their inventions. According to toy experts, the most engaging kits are those that are provocative and fun, sparking new ideas and inviting kids to keep exploring [1].

Finally, don’t underestimate the value of classes and experiences. A coding workshop, a 3D design class, or even a summer tech camp can be a transformative gift, connecting tweens with mentors and peers who share their interests [2]. These experiences build confidence and open doors to new passions.

Ready to shop?

Creative STEM Project Kits

Whether your tween dreams of building robots, exploring the stars, or inventing the next big thing, there’s a STEM gift out there to match their curiosity. The best gifts are the ones that invite kids to ask questions, try new things, and discover just how much they’re capable of. Here’s to raising the next generation of thinkers, makers, and explorers—one inspired gift at a time.

Sources

[1] Learning Toys and STEM Toys We Love | Reviews by Wirecutter — https://www.nytimes.com/wirecutter/reviews/learning-toys-and-stem-toys-we-love/

[2] 12 cool STEM gifts for girls. (And hey, for boys too.) — https://coolmompicks.com/blog/2014/11/10/cool-stem-gifts-for-girls/

[3] 34 Best Gifts for 10-Year-Olds of 2025 | Reviews by Wirecutter — https://www.nytimes.com/wirecutter/gifts/best-toys-gifts-for-10-year-olds/

[4] The Best Toys & Games for Kids 8 and Up- 2025 — https://thetoyinsider.com/products_category/tweens/

[5] The 62 Best Gifts for 12-Year-Olds, Approved by Tweens and Parents — https://www.parents.com/best-gifts-for-12-year-olds-8421691