My own first step to puzzle box invetion

Up to now not very easy sliding. And still a litle bit to simple

 Puzzle box of unknown inventor

This is a good looking but very hard to open box

 3 * 3 cube

Very good!

 My fist test of making put together puzzles

Not easy to reassemble

Self build cross

There are a lot of different cross varieties - This one is easy to build due to its simple geometry

Self build:

Mexican Frustration Box

 VERY hard to solve! Very intelligent trick but once you've see the solution its simple

 Justice Cup

Not a puzzle. If you fill the cup it empties magically

Indian secret lid box

A typical gift from india

 Key prison

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Fist time hard to solve - but not very intelligent