This kind of things

1. What kind of things mean?
2. Is it this things or these things?
3. Is it kinds of things or kind of things?
4. Is it these kind of or these kinds of?

What kind of things mean?

"This is my kind of thing" means that I really like or favor something. It can be an object, a subject or an action.

Is it this things or these things?

this is used to singular and these to plural, therefore if things is ever plural you ever use these things.

Is it kinds of things or kind of things?

What kind of things, plural [referring to things of some kind]. What kind of things, singular [unusual, referring to a type]. What kinds of things, plural [referring either to types or to things of those types].

Is it these kind of or these kinds of?

If the noun is singular, use "this kind"; if the noun is plural, use "these kinds." Unless you are being deliberately ungrammatical.