Systematic Mastering Their Phonics & Improve Reading Skills --- Developed by linguistic experts, this phonics system includes 73 letters or combinations cards in 9 levels and 265 words utilize the letters in each stage for practicing. This phonics flash cards system ensures a comprehensive understanding of phonics rules and word construction. Great learning toys for toddlers 3+. 2 Steps Learning ---- Step 1 - Insert the letter card to practice the different sounds each letter or combination makes; Step 2 - Insert the word card that utilized the letters introduced in step 1, the phonics card reader will lead kids to segment the word by letters or combinations. Plus, the phonics reader can switch to blending mode which allows kids insert the letter or combination cards first and find the word card to match it. Through word-by-word segmenting & blending practicing, kids can vastly improve their understanding of phonics.