Many people would agree that an alarm clock is their worst nightmare, but if the design looked like a bomb that was about to explode (above), getting up in the morning shouldn’t be a problem. We’ve rounded up seven of the world’s weirdest clock designs for your viewing enjoyment. Continue reading to see them all.

7. Bomb Alarm Clock

No, these aren’t gag gifts, but rather functional alarm clocks that look like real bombs, complete with detonation and defusing sequences. That’s right, only one of the four wires “stop the countdown when cut; the other two are decoys and do nothing while one wire will immediately ‘detonate’ the alarm.” Unfortunately, “the thrill will wear off if the wires had fixed purposes, which is why Krumpus made it so the the role of each wire is randomized each time the sequence is activated.”

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6. Knock Clock

Here’s a first: a real clock that tells time through actual knocks. Called the “Knock Clock”, this creation by Copenhagen Institute of Interaction Design students is set with knocks and tells time with a knocking sound. The clock tells you the time of day (to the quarter hour) after you knock on the top twice. Placing a hand over the sensor near the corner sets the alarm function. The alarm function also features – you guessed it – more knocking.

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5. Gear Clock

Built by Alan Parekh, this DIY gear clock isn’t just eye candy, it “uses a PIC 16F628A microcontroller to keep track of time and a stepper motor to physically move gears to represent time.” According to its creator, “this microcontroller has an internal oscillator however an external 20MHz crystal oscillator is being used since it will have to accurately keep track of time for weeks and months.”

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4. SEGA Phaser Alarm Clock

To create this creative gun-operated alarm clock, gadget modder KipKay outfitted a SEGA phase “with five tilt sensors, arranged at different angles on a small circuit board.” A cable tethers the gun to the clock and carries your tilt and trigger signals to the clock’s time and alarm control button contacts.

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3. MONOCHRON

Adafruit Industries’ MONOCHRON is an open-source clock kit that “has an default animated display, but is easily hackable to do whatever you wish – pictured above, retro arcade style table tennis for two.” Available now, priced at $80. The best part? The time changes whenever the clock “loses” — something tells us that gives one side at least a 59-to-1 advantage.

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2. Behind the Times

At first glance, it may look like someone’s actually behind the clock drawing in the time, but upon closer inspection, you’ll notice that it’s just an LCD display “that plays a 24 hour loop of this video by the artist watching his own clock somewhere.” No word yet on pricing or availability.

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1. Shredder Clock

You know what they say, “time is money”. The “Shredder Clock” wants to ensure that none of your time is wasted, as it will begin shredding whatever currency you put in, if the alarm does not get manually shut off immediately — you won’t find a snooze button on this thing.

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