If your objective is to introduce the kids to classical music, I have had mixed success with the "Kid's Classical" series.
http://www.amazon.com/exec/obidos/ASIN/B00000212C/qid=1068043470/sr=2-2/ref=sr_2_2/103-5507591-8176625
My 20 yr old son visited briefly, and asked to take the cds back to college with him. As the younger ones (8 and 14) are not interested, they went off with him. BTW, he played piano for about 8 years.