Prize support unit and prize acquisition game device

A prize support unit for a prize display case of a prize acquisition game device, comprising:

• a main body that directly or indirectly supports prizes, and
• couplers that are disposed around a periphery of the main body and couples the prize support unit with another prize support unit;
• wherein
• each of the couplers comprises:
• a rotary body that is rotatable with respect to the main body, and
• a support that sandwiches and supports both sides of the rotary body in a thickness direction of the rotary body, and guides a rotation of the rotary body;
• the rotary body has, as a first part, a raised part or a recessed part that is disposed on a first surface of the rotary body on one side in the thickness direction,
• the support has, as a second part, a recessed part or a raised part that corresponds to the first part and is disposed on a second surface of the support opposite to the first surface,
• the first part and the second part are rotatably engaged, and
• with the rotation of the rotary body, one portion of the first part maintains engagement with the second part while another portion of the first part can engage with a second part of a support of a coupler of the other prize support unit.