In order to teach your kid in the most simplest form these pieces only move forward. First explain and show your kids how the knight moves in an l pattern.
The game starts with 16 pawns eight white and eight black.
How to play chess for kids. Each player begins with eight pawns each one in a line in front of the other pieces. The first move of your pawn you have the option of moving forward two spaces instead of one. Use the board with just the knight.
Moving one or two spaces forward for the first move will be totally up to the players strategy and or personality. Until a pawn advances across the board to the final rank when it can be promoted it is the weakest piece in most situations but it can be valuable to block enemy pieces. Second set up the board like you did for pawn parade.
Then let them practice moving the knight on an empty board.