{
    child_id: "58e7f34e17097305f7d9f2e7",
    challenge_id: "MUS_LIN_1_Xylophone",
    seconds: 240,

     achievemenst_cards:
     [
         {
          id: 'UAC_RNDO',
          options: [{name: 'DO', evaluate: true, attempts: 5, corrects: 3}]
         },
         {
          id: 'UAC_RNMI',
          options: [{name: 'MI', evaluate: true, attempts: 10, corrects: 1}]
         }
         {
          id: 'UAC_RNLA',
          options: [{name: 'LA', evaluate: true, attempts: 2, corrects: 2}]
         }
     ]
}