From the Manufacturer:
"Great for letter recognition, spelling, word building, and early vocabulary. By putting the cubes together to form a word, the kid gains an important understanding of the mechanics of vocabulary, aided by the picture cards which provide a clue to the meaning of the word being formed.
Includes 1 Tray, 52 Letter Cubes, 60 Double Sides Printed Cards (120 Words)
WARNING: Choking hazard- Small parts. Not for children under 3 yrs.
Ages 3 and up."