Than does this sound ok for a active voice! Rick and Kate built the house with their own hands.

Yes. That's a good sentence.

The verb, "built" is in the active voice because the subject, "Rick and Kate" are doing the action.

Yes, the sentence "Rick and Kate built the house with their own hands" is in active voice. Active voice is when the subject of the sentence performs the action. In this case, Rick and Kate are the subject and they are performing the action of building the house.

To identify a sentence in active voice, you can follow these steps:

1. Identify the subject of the sentence. In this case, it is "Rick and Kate."
2. Identify the verb of the sentence. The verb here is "built."
3. Determine whether the subject is performing the action (active voice) or receiving the action (passive voice). In this sentence, Rick and Kate are the ones building the house, so it is in the active voice.

So, your sentence is correctly written in the active voice.