From the moment babies were born to about 3 months, babies see things in black and white.

After about 4~6 months they begin to indentify colour.

If baby begin to babble, teach them Korean, Japanese words.
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*the function of book’s baby focus app.*
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1.black and white focus for new born baby

2.colour focus for over 4 months-old baby

Both focuses have built-in timer(5 and 10sec) that can automatically convert the images by each set time.
3. fruit, animal, colour(you can use the focus in colour)
Fruit – provide 7 varieties of fruit
Animal – provide 10 varieties of animal
colour – 9 varieties of colour.

Click the tag of nations. Korea,US and Japan
hear the pronunciation

4. drawing
Let baby have[play with] Iphone
Baby can draw pictures by touching[playing with] it

if baby shakes the picture they drew, it is erased

5. bell
if you didn’t bring the bell when you went out
Tingle the bell once
It continues to sound