Nowadays, there are many types of automotive safety accessories that have been created by automotive engineers due to the technology development. Although many safety accessories are available in automobiles, accidents still occur every day. One of the issues is child safety aboard public transportation.

Child safety seats are seats designed specifically to protect children from injury or death during collisions. In recent studies, the child safety seats introduced to date can only be installed for cars. None of the child safety seats were introduced to be installed on buses. Parents brought the child safety seat (common) where cannot installed in the bus. This can cause danger to the child. The child safety seat has been introduced but most of them must be installed manually and commonly can be used only in cars.

To design a new safety seat that able to be used for buses. The designed seat should provide safety for children during travel on the bus. The mechanical properties can be improved to make the product more ergonomic. Needs complete the design which fulfill all the customer’s requirements. The design is also suitable for toddler age 2-6 years old.