Crash Bandicoot N. Sane Trilogy is a remastered version, of the original 3 games (Crash Bandicoot, Crash Bandicoot 2: Cortex Strikes Back, and Crash Bandicoot 3: Warped) with enhanced features applied to each game.
Prices
CAGBot Analysis
CAGBot says
A solid buy price would be $15. Further reductions of $1-2 are likely in the coming months, or if you don't mind waiting a year you can expect to pay around $15.