What is "x-perimental"

X-perimental was a British children's science magazine show that ran from 2003 to 2004 on CBBC. It originally aired on BBC One and repeated on the CBBC Channel. Series 1 was presented by Ortis Deley and Holly Willoughby who then both left to move on to present other shows. Series 2 was then presented by CBBC continuity presenter Simon Grant alongside science reporter Jane Farnham.