One of the most effective and popular methods to teach letters to kids, is by having your kid see a letter, hear the sound, and then do an action to help him/her to remember the letter and the sound. Expose your kid to letters and words at an early age. Encourage the child’s interests with alphabet books, puzzles and learning toys.
The VAK learning model  is considered by experts to be one the best ways to teach letters of the alphabet to kids. This model makes use of three basic senses: Visual, Auditory & Kinesthetic (VAK).
How to Teach The Alphabet To Kids: Understanding the VAK learning model
1. Visual Learning
To learn via sight i.e. perceiving things through the eyes.
Use Charts, Flash Cards & Stickers:
These are very effective tools for reinforcement of the letter shapes visually. It allows the child to see and memorize every letter vividly. Use them in tandem with Books to teach letters of the alphabet to your kid. It will help them recognize the shapes of letters and match pictures to words and sounds.
2. Auditory Learning
To learn via sound. This learning style helps the kid to discriminate the smallest units of sound called phonemes. Phonics involves an understanding of the alphabetic principle – the relationship between spoken sounds, letters or combinations of letters, on which the English language is based. Phonics way of teaching will help your kid easily understand the letter-to-sound relationships
Use Rhymes & Alphabet Songs for Phonics:
Rhyming & Singing the alphabet song to your kid will introduce the letters to them in a fun way.
The Alphabet Book:
Start reading aloud a good alphabet book, designed to teach letters. Use objects to elaborate the letter, which your child can easily relate to. For example, Say A for Apple instead of A for Alligator!
3. Kinesthetic Learning
Using touch to learn via experience—moving, touching, and doing.
Use Letters Puzzle for Touch and Hands-On learning:
Puzzles will not only help your kid learning the alphabet actively, but also engage them in a fun and joyful manner. Tracing the shapes with a finger, arranging the letters in grooves will help them memorize the shapes easily.