Top toy

A top toy, comprising

• an upper part;
• and
• a lower part,
• the upper part including an upward facing surface and a rod-shaped shaft being vertically movable, the rod-shaped shaft including a lower tip,
• the lower part including a downward facing surface and a tubular shaft in which the rod-shaped shaft is inserted,
• the upper part being relatively rotatable with respect to the lower part and being detachably attached to the lower part while the upward facing surface abuts the downward facing surface,
• the lower tip being configured to protrude from a lower end of the tubular shaft when the upper part is attached to the lower part and when the lower tip is in no contact with a floor,
• the upper part including a first engaging part on the rod-shaped shaft,
• the lower part including a second engaging part being engaged with the first engaging part,
• the lower tip being accommodated in the tubular shaft when the upper part is attached to the lower part and when the lower tip is in contact with the floor,
• the second engaging part being configured to restrict a relative rotation between the upper part and the lower part when the lower tip is in no contact with the floor,
• the second engaging part being detached from the first engaging part when the lower tip is in contact with the floor.