The first in the Magerman Educational Siddur Series,  The Koren Children's Siddur  created for the early elementary grades, combines stimulating and beautiful illustrations with thought-provoking educational components on each page to provide teachers and parents with an educational resource as much as a conventional siddur. You may also be interested in  An Educator's Companion to the Koren Children's Siddur  which has been created for parents and teachers in order to maximize the educational potential of this beginner's siddur.