Price observed , 11 days behind our latest run. Amazon shows the live price.
Amazon lists it at $23.99, 20% off. That figure is Amazon's, not a price we have recorded.
E-Blox Building Blocks STEM Circuit Kit
E-Blox Building Blocks STEM Circuit Kit, Build Your Own Burp & Fart Machine, Add Funny Sounds to Brick & Structure Science Projects, Birthday & Gag Gift, Boys, Girls, 5+
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The E-Blox Building Blocks STEM Circuit Kit was $19.23 when we checked it on 2026-10-01. That observation is 11 days behind our latest weekly run, so we are treating it as an estimate until the next check.
E-BLOX BUILD YOUR OWN BURP & FART MACHINE BUILDING BLOCKS KITReady for some great laughs with your friends and family? The E-Blox Build Your Own Burp & Fart Machine has 10 hilarious sounds including burp and fart sounds that are so real you’ll be holding your nose! Hide the machine and play some pranks on your friends and family. Burp and fart scents are not included, so you will have to provide your own! How far are you willing to take your prank!?Our colorful building blocks have electronic components in them that, when assembled properly, will make circuits that make sounds! Kids will get to innovate and be inspired as they plug together different bricks and modules to create their own toys and games. This kit teaches children the STEM fundamentals of electronics. Kids can even add thes
Editor's note
Sneaking real circuit theory into a fart machine is genius parenting. Kids learn electronics, you just have to survive the sound effects.
E-Blox Building Blocks STEM Circuit Kit price history
6 weekly checks of our own, from 2026-06-26 to 2026-10-01. How our price tracking works
Lowest
$18.18
Jun 29, 2026
Typical
$18.19
median of 6 weekly checks
Highest
$19.23
Oct 1, 2026
Latest
$19.23
checked Oct 1, 2026
Typical price is the median of the 6 weekly checks we have taken, not the manufacturer list price. Every discount figure on this site is measured against it.
Every observation (6)
| Date | Price | Source |
|---|---|---|
| Jun 26, 2026 | $18.19 | Weekly check |
| Jun 29, 2026 | $18.18 | Weekly check |
| Jul 6, 2026 | $18.18 | Weekly check |
| Aug 1, 2026 | $18.19 | Weekly check |
| Sep 1, 2026 | $18.19 | Weekly check |
| Oct 1, 2026 | $19.23 | Weekly check |
About this item
- GET READY FOR LAUGHS – Ready for some great laughs with your friends and family? The E-Blox Build Your Own Burp & Fart Machine has 10 hilarious sounds including burp and fart sounds that are so real you’ll be holding you
- CREATIVITY & IMAGINATION – Our colorful building blocks have electronic components in them that will make circuits that make sounds! Kids will get to innovate as they plug together bricks and modules to create their own
- PROVIDE YOUR OWN SMELLS – Hide the machine and play some pranks on your friends and family. Burp and fart scents are not included, so you will have to provide your own! How far are you willing to take your prank!?
- STEM FUNDAMENTALS OF ELECTRONICS – This kit teaches children the STEM fundamentals of electronics. Kids can even add these funny sounds to their own brick structure projects. Parts are compatible with our Power Blox line
- FOR KIDS AGES 8 & UP – The E-Blox Build Your Own Burp & Fart Machine Building Blocks Kit is suitable for children ages 5 and up. Manual included to guide your children in building their own masterpieces safely.
Details
- Brand Name
- E-Blox
- Model Number
- CB-0767
- Battery Description
- Alkaline
- Material Type
- Plastic
- Size
- 2 inches wide, 6 inches long, 9 inches high
- Item Dimensions
- 6 x 2 x 9 inches
- Item Weight
- 6.4 ounces
E-Blox Building Blocks STEM Circuit Kit: common questions
Is the E-Blox Building Blocks STEM Circuit Kit worth it?
Sneaking real circuit theory into a fart machine is genius parenting. Kids learn electronics, you just have to survive the sound effects. Its Amazon listing shows 4.2 out of 5 stars across 344 ratings, which is the retailer's figure and not our verdict.
How much does the E-Blox Building Blocks STEM Circuit Kit cost?
The E-Blox Building Blocks STEM Circuit Kit was $19.23 when we checked it on 2026-10-01. The median of the 6 prices we have recorded for it is $18.19. Amazon lists it at $23.99, a price we have never recorded ourselves. Prices change often, so the live retailer link carries the current number.
Is now a good time to buy the E-Blox Building Blocks STEM Circuit Kit?
Our most recent price for the E-Blox Building Blocks STEM Circuit Kit is $19.23 from 2026-10-01, which is 11 days behind our latest weekly run. We are not calling it a deal or a low until it is checked again.
What is the lowest price the E-Blox Building Blocks STEM Circuit Kit has been?
The lowest price on our record for the E-Blox Building Blocks STEM Circuit Kit is $18.18 on 2026-06-29, and the highest is $19.23 on 2026-10-01. That record is 6 weekly checks we took ourselves.
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$19.23 observed
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