aimed mainly at little kids but with plenty of entertainment value 
(ROOT (VP (VBD aimed) (PP (PP (ADVP (RB mainly)) (IN at) (NP (JJ little) (NNS kids))) (CC but) (PP (IN with) (NP (NP (NN plenty)) (PP (IN of) (NP (NN entertainment) (NN value))))))))
(ROOT (VP (VBD ) (PP (PP (ADVP (RB )) (IN ) (NP (JJ ) (NNS ))) (CC ) (PP (IN ) (NP (NP (NN )) (PP (IN ) (NP (NN ) (NN ))))))))