Because it’s essential to expose children to the wonders of electronics at an early age, Circuit Blox has created the Build Your Own Burp n Fart Machine. The kit includes everything a child (or adult) needs to construct a crude noisemaker. Circuit Blox use LEGO-like blocks with embedded circuitry to quickly and easily build basic electronic devices. In this case, a device that makes burp and fart sounds with the push of a button. Admittedly, kids do love those sounds.
Once assembled, the machine is capable of making ten different sound effects. And it doesn’t look difficult to build either; the entire kit is just six pieces. I question how much learning, if any, will be done during its assembly. I assume Circuit Blox probably sells other kits that provide more significant learning opportunities; those just don’t make burp and fart sounds.
When I was growing up, all my STEM learning was gained from trying to hastily repair whichever of my dad’s electronics I’d broken before he got home from work. And I learned a lot, too. But mainly just that an unattended soldering iron can and will start a fire.