5000441 Ninjago Surprise Bag is a Ninjago: Masters of Spinjitzu set that was released in 2012 as a Toys 'R' Us promotional gift with purchase. It contains 5 foam puzzle pieces forming an arena, 1 trading card (Card ★4 - Hypnobrai Rattle), 1 green Ninjago headband, and 1 ID card with blanks to fill out information such as name and birthday.
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