Teddy Bear Museum

Official website: http://www.teddybearmuseum.com/Etc/English.asp

Admission: 8,000 won (Museum only) , 12,000 won (Museum + N Seoul Observatory)

Operating hours: 10:00 - 22:00 (Last Admission: 21:00)

How to go:
By bus - Take the yellow bus for 500 won with T-Money. Check my post for Yellow bus to N Tower.
Once you reach the bus stop at N Tower base, you need to walk a bit up to the steep hill. If you want to avoid this, you can always ride the cable car. If not, please wear comfortables shoes like sneakers.

By cable car - From Myeongdong subway station, Exit 3, walk up to the hill behind Pacific Hotel until you reach the cable car station. Cable car return fee 7,500 won. Check my post for cable car to N Tower.
Source: KNTO

Picture courtesy: Iris, Fiza, Hanim and Nyna