GX optical are a band which produce highly easy to use microscopes which are produced and manufactured specifically for children. Bright Minds is another brand which also produce easy to use childrens microscopes.
There are a few brands of car seats which are considered to be very safe. These are Brittax, Concord and Obaby. Another make considered to be safe is Graco.
For your information, you can't make a microscope all by yourself. Compound machines are need.
Robert Hooke was not the first scientist to make a microscope, but he did make significant improvements to the compound microscope design in the 17th century. Hooke's microscope was crucial in his work and observations that led to the publication of his iconic book "Micrographia" in 1665.
I've left the microscope in the trunk of my car!
You cannot make a cell phone microscope. A cell phone is for talking and to text.
To make the image clearer on a microscope you can use the focusing lens.
developers of the electron microscope
A thin specimen allows light to pass through easily, resulting in clearer and sharper images under the microscope. Thicker specimens can distort the light and make it more difficult to observe the details of the sample.
The parents of course. A child's mind is easily molded into what's acceptable and what isn't. It's the parents' responsibility to make sure that they understand what a healthy lifestyle is.
You think
a microscope
Kings Brand Furniture and Flash Furniture both sell recliners for children. Both brands are available on the Amazon website. Flash Furniture even sells one with a cup holder built into the arm of the chair.