Simple categories matching gymnastic:

• arena,
• sport,
• event,
• apparatus,
• equipment,

Members with property gymnastic:

• step,
• bench,
• mat,
• high_bar,
• trampoline,
• gymnastic_bench,
• bar,
• horizontal_bar,
• toy,
• trapeze,
• beam,
• vaulting,
• body_trainer,
• parallel_bar,
• weight,
• uneven_bar,
• floor_mat,
• barbell,
• spring_board,
• massage_machine,
• trampoline_tumbling,
• vault,
• shaver,
• toothbrush,
• corrective_weight,
• mechanical_exerciser,
• tumbling_mat,
• vault_board,
• horse,
• vaulting_table,
• ball,