Yes, you can use acrylic paint on wooden doors. If there is any peeling paint on the door, you can remove it with sandpaper or a scraper. Also be sure to use exterior acrylic paint if you are painting an exterior door.
I use a good primer first then gloss latex.
Yes, eggshell paint is good for doors.
Yes, you can - but unless you sand or roughen the original paint first, the second coat may not adhere properly. If you are re-painting, you don't need to remove all of the original paint. But making the surface rough will help the new paint stick to the old paint.
Yes, you can.
Yes, use a good primer first. I do it often.
If you choose a paint suitable for both. Rustoleum or Tremclad should do the trick
Yes, eggshell paint is good for doors.
Like a paint pallet that artists use to paint with and its wood!
latex
Yes, you can.
Yes, you can - but unless you sand or roughen the original paint first, the second coat may not adhere properly. If you are re-painting, you don't need to remove all of the original paint. But making the surface rough will help the new paint stick to the old paint.
Yes, you can.
I'm not certain about plastic or metal toys, but I found this great article about safe paints for wooden toys that might be helpful. http://woodentoys.xanga.com/733196515/wooden-toy-finishes---paints-and-sealents/
Yes, use a good primer first. I do it often.
If it has not set (which usually takes a day), it could.
Yes and no depending on the type of paint you use paints such as oil based ,acrylic ,latex and lead paints should not be used. safe paints such as milk paint or even food coloring are safe.
The best paint to use on small wooden pieces, such as train track pieces would be acrylic paint. To keep paint resistant from water, weathering, and sunlight apply a coat of clear sealant.
When painting a wooden horse, one must choose a paint that is suitable for wood and doesn't damage the surface of the horse. Acrylic paint is one option that is suitable for wood.