In addition to the planetarium, events such as science experiment classes are also held. Admission is free, but there is a charge for the planetarium. A variety of scientific experiment events are held, ranging from free to paid ones. Details are published on the official website.

There is also some space for children to play. There are some exhibits, but not many.

There is a children's playground called "Taiyou no Oka" on the adjacent site, with slides and other play equipment that children from around 3 years old can play on.