Joyride Studios/Halo 2 Mini Sets
From Halopedia, the Halo wiki
The Campaign 2-Pack had two different variants. All of the figures are on a scale of 3 inches.
The Campaign 5-Pack also had two variants. All of the figures are on a 3-inch scale.
The Slayer 2-Pack had two variants. All of the figures were on a scale of 3-inches.
The Slayer 5-Pack has two variants. All figures are on a scale of 3-inches.
On each action figure unit, Joyride has included a serial number, which allows you to find out when the action figure was created. The date code has four numbers followed by 'SS' actually stamped or embossed in the cardboard. The first three digits are the date the product was made, and the fourth digit is the year. For example: 2653SS means the product was manufactured on the 265th day of 2003 (9/23/2003).