Wells Music Publishers 

Practice in Music Theory for the Little Ones Book A is specially designed for children between 4-6 years of age. Written in simple language and accompanied by captivating illustrations, the book will stimulate the little one's interest and make the learning of music theory a fun and exciting experience.
The first children's theory book to introduce the various instruments of the orchestra, a short explanatory note comes with each clearly illustrated picture of the instruments to give the little ones basic knowledge of the more common orchestral instruments

Practice in Music Theory for the Little Ones Book B is specially designed for young beginners between 5-8 years of age. Written in simple language and accompanied by captivating illustrations, the book will stimulate the little one's interest and make the learning of music theory a fun and exciting experience.
A sequel to Book A, this is the second children's theory workbook to introduce instruments of the orchestra. Like the former, a short explanatory note accompanies each clearly illustrated picture.

Specially designed for 4-9 year olds, Rhythmatics is an educational mathematical game which consists of colored cards for young children. Learnt to count, read time values and their divisions with coloured cards placed on the display board. Simply fun and easy for the little ones.