Hey parents! Want toys that actually grow brains? Heck yes!

The BuilderCubs Bundle’s got FIVE mind-blowing STEM kits—clocks, trains, marble runs—and more!

Before you buy, See how BuilderCubs makes everyone happy!

"BuilderCubs 3D Scientific Gift Bundle by ToyCubby.com"

Hey parents! Want to turn screen time into dream time? Meet the BuilderCubs 3D Science Adventure Kit—your kiddo’s ticket to becoming a mini genius. Packed with mind-blowing wooden puzzles and model kits, this bundle isn’t just fun—it’s sneaky-smart, hands-on learning for future engineers, architects, and inventors.

Picture this: Your kid tears open the box and dives into building a glowing Big Ben, a spinning marble run, or even a legit treasure box they can actually lock. These aren’t your average puzzles—they’re real-deal projects with working lights and moving parts. Trust me, their “I did it!” grin? Priceless.

We’re talking next-level STEM here. These kits aren’t just toys—they’re brain fuel. As your kiddo snaps together gears or figures out how to make a desktop clock tick, they’re boosting problem-solving skills, patience, and that “aha!” moment you can’t get from a tablet. Plus, it’s the perfect excuse for family bonding. (“Mom, Can you check it!”)

Perfect for kids 4-18, this kit is the MVP of birthdays, holidays, or just-because surprises. Made by a small family-owned shop (no big-box junk here!), every piece is laser-cut for that satisfying snap when it all comes together.

So skip the flashy plastic toys. This bundle? It’s like gifting a crash course in creativity. Watch ’em geek out over building London’s skyline or engineering a mini train that actually chugs.

Snag the BuilderCubs Kit today. Because your kid wasn’t born to just swipe screens—they were born to build stuff. Let’s go!

{ No Age Limitation for Cubby's }

Ignite Your Child's Imagination with the Enchanting 3D Puzzle DIY Treasure Box

3– 5

6 – 8

9 – 12

13 – 16

Every kid can be an innovator.

"This bundle includes a variety of 3D wooden puzzle kits designed to enhance cognitive skills and provide brain-boosting challenges. It features DIY treasure box models, mechanical train model kits, and architectural building blocks like Big Ben and Tower Bridge. The puzzles are suitable for both children and adults, making them unique gifts for birthdays and Christmas. Some models include lights and can serve as creative home decor. The kits also include a spiral marble run and a desktop clock model, offering a diverse range of mechanical puzzles for educational and recreational purposes."

Designed by Rocket Scientists!

1,000+ hours per crate = obsessively crafted STEM adventures. Educators + engineers mastermind every project to spark curiosity and supercharge play.

Kid-Tested. Mom-Trusted.

Weekly at The Innovation Factory, real kids battle-test every robot, art kit, and game. No boring, no “meh”—just 100% joy + safe, age-perfect wins.

“Aha!” Moments, Delivered Monthly

Projects that meet kids where they are—newbies or pros—turning “How?!” into “I DID IT!” Think: mini-engineers + Picasso vibes + pure pride.

How ToyCubby work?

1 ➟ Pick a program.

Grow skills over time by exploring dozens of STEAM topics.

2 ➟ Receive monthly gift

Bring science, art, and engineering to life with hands-on projects.

3 ➟ Continue the fun

Get bonus content, like activities and videos, along with your crate!

We craft each box knowing exactly what your heart wants: to give them magic today… and a lifetime of gratitude tomorrow. Limited spots – don’t let these memories slip away!

FAQs FOR TOYCUBBY’S BUILDERCUBS BUNDLE

Is the BuilderCubs Bundle too hard for my kiddo?

Nope! These kits are designed for ages 4 to 18, Also kids (2+) can tackle them with a little teamwork (aka parent-approved bonding time). Teens and adults love ’em too—they’re like Legos’ brainy cousin! 

Totally safe! Made from non-toxic, splinter-free birch wood with smooth edges. Small parts? Yep—so keep ’em away from toddlers who still think Legos are snacks. 😉

Zero batteries, zero glue! Everything snaps together with precision-cut pieces but you can use Both batteries if you think. Just follow the step-by-step guide (and maybe a coffee for those marathon builds). ☕

We ship within 1 to 10 business day (priority mail!), so you’ll get it in 2–10 days. Psst—all orders ship FREE in the U.S.! Need it faster? Contact us!

No shame in taking a breather! But if a piece breaks or goes missing, we’ve got your back with our 90-day “Fix-It-Fast” guarantee. Email us, and we’ll send replacements—no drama! ✨