Please explain how to assemble the puzzle.
Yes, one is missing, but you can follow the >.
No rotations, the letters are oriented correctly. One option is to solve the blue first. If you noticed the blue letters could be made to form a line, you are in a good spot.
NMNDL. This puzzle is not accepting donations, it is just about assembly. The title is your guide.
Mr. Agana has some advice: "Keep it simple." Try cutting out the pieces and shuffling them around? If you noticed 'A' must follow 'M', you are in a good place. Solve one row and you will have what you need to continue.
2 wide by 4 high (x6) O |A |ND|OE|A |E | U E N MA AA I U L I A IA U 4 wide by 2 high (x3) I| A| IEO A | A |> A Target: 12 wide by 6 high in blocks of 4x3