Trekkies, prepare to have your mind blown! This incredible Star Trek heat-changing mug does the coolest trick - when you pour hot coffee or tea into it, the USS Enterprise literally disappears into warp speed! When the mug is cold, you see the classic 'TO BOLDLY GO' text with the Enterprise orbiting a planet. Add hot liquid and whoosh - the starship vanishes, leaving only the warp speed effect. It's made from quality ceramic and holds 12 ounces of your favorite beverage. The comfortable handle makes it easy to hold, and it comes in its own gift box that's perfect for presenting to any Star Trek fan. Just remember - while it's microwave safe for reheating, you'll want to hand wash it to preserve the color-changing magic. Dishwashers can damage the special coating over time. This isn't just a coffee mug; it's a conversation piece that'll make your morning routine feel like a Starfleet mission briefing. Great for office use, home collections, or as that perfect gift for the Trek enthusiast who has everything. Watching the transformation never gets old, and it's sure to impress your friends during coffee breaks. Engage!