The 2013 winners

First place: Ein-Harod high school
Locking mechanism design:"The DIY vault"
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Second place: Ben-Gurion Petah-Tikva
Locking mechanism design: Coupled harmonic oscillators
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Third place: Brener High School, Petah Tikva
Locking mechanism design: The Castle
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Fourth place: Hebrew Academy High School, Montreal, Canada
Locking mechanism design: Zombie Walker Safe
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Fifth place: Alon High School, Ramat HaSharon
Locking mechanism design: Heat Capacity
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Honorary award: Slovenia
Locking mechanism design:
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Honorary award: Hadarim High School, Hod HaSharon
Locking mechanism design: The AppStore vault – drawing water, and Cartesian diver
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Honorary award: Alon High School, Ramat HaSharon
Locking mechanism design:  Harry Potter and the Safe of Secrets
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Honorary award: HEMDA, Tel-Aviv
Locking mechanism design: The "Tel-Aviv Bubble" Safe
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Honorary award: Ramon High, Hod Hasharon
Locking mechanism design: Centrifugal Fource
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Honorary award: Keshet High, Jerusalem
Locking mechanism design: Snell’s Law
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Honorary award: Reali Highschool, Haifa (GL - Lior Magram)
Locking mechanism design : “COPS”
Explanation file

Honorary award: Reali high school, Haifa
Locking mechanism design: The Coca-Cola vault
Explanation file

Honorary award: Katzenelson highschool, Kfar-Saba
Locking mechanism design : “Prisoner π”
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Honorary award: King David High, UK
Locking mechanism design: Bernoulli Principal
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Honorary award: Ehad ha-Am High School, Petah Tikva
Locking mechanism design: Pirate’s Ship
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Honorary award: Handesaim High School, Herzliya
Locking mechanism design:  Coca Cola Safe
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Honorary award: HEMDA, Tel-Aviv
Locking mechanism design:  Polarizing and Calcite safe
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Honorary award: Bnei-Akiva highschool, Netanya
Locking mechanism design: “Homopolar motor”
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Honorary award: Leyada High, Jerusalem
Locking mechanism design:  Bernoulli Principal
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Honorary award: Mekif High, Ashdod
Locking mechanism design: Diffraction
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Honorary award: Rotberg High School, Ramat HaSharon
Locking mechanism design: Lifting a marble by rotating and bending light
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Honorary award: Ilan Ramon High, Hod Hasharon
Locking mechanism design: Magnetic Fources
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Honorary award: Shimon Ben-Zvi High School Givata’im
Locking mechanism design: The hiker’s safe
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Honorary award: El-Bashaar highschool, Sachnin
Locking mechanism design: “The resonance vault”
Explanation file