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You might be wondering what the spinning toy is from the Conjuring 2. It is the circular rotating animation toy that summons the Crooked Man.  The Crooked Man toy is called a Zoetrope. We have some of the Conjuring 2 Crooked Man toys for sale.  Click the Picture to view the optical toys we sell which are like the toy from The Conjuring 2 movie. The crooked man toy is for sale. You can buy the toy from the Conjuring 2. 

  What is a Shadow Square? A shadow square was a common component on nearly every astrolabe, as well as other devices such as quadrants. It gets its name from a simple explanation of its use – that is, finding the height of an object from the length of its shadow (although a shadow isn’t strictly necessary).  In other words, a shadow square is a graphical way to determine the tangent or cotangent of an angle and to solve simple problems involving triangles. The scale of a shadow square was divided into equal parts based on whatever was the local...