Mega Builder Bundle
Mega Builder Bundle
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Independently reviewed & STEM.org Authenticated™, and a Best in STEM award winner.
If they don't get hooked in the first hour, send it back. We'll refund every cent. No soldering required, no excuses asked.
Other Bundle Options
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Ultimate Theme Bundle
Regular price $329.00 CADRegular price$448.00 CADSale price $329.00 CADSale -
SaleMega Builder Bundle
Regular price $945.00 CADRegular price$1,253.00 CADSale price $945.00 CADSale
Snap together your first working circuit in five minutes flat.
How it works
Every electronic component (battery, LED, motor, switch, sensor) lives inside a standard brick-compatible block. Snap blocks together and the circuit closes; pull them apart and it opens. The bricks do the wiring. No breadboards, no jumper wires, no soldering iron, no smoke.
What's in the bundle
Ages & difficulty
Designed for ages 8 and up, with a sweet spot for curious 8–12 year olds. Word-free assembly diagrams keep younger builders independent; a written Learning Guide gives older builders the deeper "why."
LEGO compatibility
Every block uses the standard 8mm stud spacing. SparkBlocks click onto LEGO and most major brick brands.
Curious kids love SparkBlocks
"Screen Free Learning, compact and affordable"
We just got our Spark Blocks kit and just was so worth it. Our almost 7 year old was self motivated to start building the second he opened the box. no bribing required.
Sabrina · Perth, Australia
"I think we'll need to order more."
Our kids took turns building with them for well over an hour!
Ken L. · Casa Grande, Arizona
"A perfect family activity!"
The kit was easy to use, engaging, and I was floored at the diverse ways you could execute different designs. Even for a toddler, she was highly engaged in the building and circuit activation.
Laura B. · Vancouver, BC
Frequently asked
What will my kids learn?
How circuits actually work. When your child connects a switch, a light block, and a battery, they're building a real working circuit. They can see why it works, not just watch it happen.
They also get a lot of practice failing. There's no one right build with SparkBlocks, so kids have to try things, watch them not work, and figure out why. That back-and-forth builds the same spatial thinking and cause-and-effect reasoning that show up later in math and engineering.
The Intro to Circuits Kit covers the basics, and the same blocks work in progressively more complex builds as kids get older. It doesn't have a ceiling.
Why does this cost more than other toys?
SparkBlocks aren't a typical STEM toy you use once and shelve. The Intro Kit includes real electronic components (rechargeable battery, motor, LEDs, speaker, switches) plus building bricks, with a printed Learning Guide, and instructions for 6 themed builds. That's a lot of kit, and a lot of teaching, in one box.
Also, because every block works with the LEGO-style bricks your family already has, one kit powers unlimited creations. There's no instruction book to "finish" and nothing to throw away. Many families tell us their kids come back to SparkBlocks for months, which is rare for a STEM toy at any price!
What ages is this for?
SparkBlocks are designed for ages 8 and up, with a sweet spot around 8-12 years old. Younger builders (5-7) usually need a parent alongside them, though the picture-only instructions mean no reading is required. Older kids and adults enjoy them too.
Does it really work with LEGO?
Yes. SparkBlocks click directly onto LEGO bricks and all major compatible brick brands.
You can integrate our circuit blocks into your existing creations; no adapters or special baseplates required.
(Note: SparkBlocks is not affiliated with or endorsed by the LEGO Group.)
Do I need an app, computer, or Wi-Fi?
No. SparkBlocks are 100% screen-free. There's no WiFi, no Bluetooth, and no app required. Everything works right out of the box with a printed Learning Guide.
