If anyone interested traveler want to do city tour in Kathmandu valley and then Nepal Himalayas Trekking will provide you

1. Pashupatinath temple
2. Boudhhanath stupa.
3. Swoyambhunath temple
4. Patan Durbar square which is called full day city tour in Kathmandu valley.
If you wanna do this just i charge you $ 30 with car. 
If you need further information about it you can visit my site
www.nepalhimalayastrekking.com www.adventurehimalaycircuit.com