It might be a good idea to have them do some of the final assembly; ship the computers as kits, and have someone instruct them on what each part does. That way

It might be a good idea to have them do some of the final assembly; ship the computers as kits, and have someone instruct them on what each part does. That way,they are forced to learn some functional aspects of what the thing is comprised of and how it works. This might spark a deeper interest and understanding than just handing it to them would.