September 21, 2026 (9:00 am PT) through September 27, 2026 (11:59 pm PT), or while supplies last, get 20% off select items at creations.mattel.com/collections/limited-sale-event. Discount automatically applied at checkout. Club 59, Club Grayskull, Fang Club, and Red Line Club Members get an additional 5% off with code MEMBERFIVE. Cannot be combined with other offers. No prior-purchase adjustments. Taxes, shipping, and handling excluded. Void where prohibited.
The 343 Guilty Spark comes alive with lights and sounds. The Monitor is fully buildable and features 2 light modes to represent its dual personalities plus 15 memorable quotes from voice actor Tim Dadabo. Press on its 'eye' to activate the lights and sounds; double-press for Rampant mode. Ideal for display, activate this collector building set to survey and 'protect' your showcase.
- Buildable 343 Guilty Spark Sentinel monitor replica with lights and sounds
- Includes 2 LED light modes and says 15 official quotes from the original Halo game trilogy
- This collector model features authentic detail and includes a buildable display stand
- 609 bricks and pieces combine with all MEGA building toys and are compatible with other name brands
- Ideal for ages 18+, this collector set is for builders who demand a challenging building experience
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