Top toy

A top toy for rotating in a first direction, comprising

• a top part including an upper trunk part;
• and
• a bottom part including a lower trunk part and first and second rod-shaped shafts,
• the lower trunk part having an insertion through hole formed at a center thereof, the lower trunk is attached to the upper trunk;
• and
• the first and second rod-shaped shafts being interchangeable to each other
• when the first rod-shaped shaft is employed, the first rod-shaped shaft being inserted in the insertion through hole and being attached to the lower trunk,
• when the second rod-shaped shaft is employed, the second rod-shaped shaft being inserted in the insertion through hole and being attached to the lower trunk,
• when the upper trunk part is rotated relative to the lower trunk part in a second direction opposite to the first direction by an external force and when reaches a joint release position, the upper trunk part and the lower trunk part being detached,
• the bottom part including
• a first engagement part, and
• a second engagement part being engaged with the first engagement part at a part that rotates integrally with the upper trunk part,
• the first rod-shaped shaft having a first shape to create a first engagement state between the first and second engagement parts,
• the second rod-shaped shaft having a second shape being different from the first shape to create a second engagement state between the first and second engagement parts,
• the first engagement state being different from the second engagement state.