4 MAX7219, 4 22K resistors, 4 0.1uC caps, 4 1uF caps, COMMON CATHODE displays - 6 @ 4-digit, 1 @ 1-digit, 7.5 or 9V @ 1A power supply, 1 Uno.
All parts except uno available from taydaelectronics.com
Each MAX7219 will control 2 displays, and 1 will control 1 display.
Search e-bay for 18cm 30cm protoboard if the prototyping boards at tayda are not big enough or you can't string them together.
What will your assembly method be?