Cutaway household appliances
There is so much engineering we take for granted, looking inside things gives you a different perspective.
Many adults let alone children have never seen inside many everyday objects. They aren't interactive but they may make someone think.
The inside of a kettle, especially a used one is rather cute.
A toaster is remarkably simple inside.
How often do you take a mobile phone apart? Here is what is inside.
A variety of cameras over the last 20 years. So you can see how they changed.