Children’s Educational Wooden Puzzle Homemade Slide Projector DIY 3D Projector

• A projector is an optical instrument that uses optical elements to magnify the outline of a workpiece and project it onto a screen
• A projector, also known as a projector, is a device that can project images or videos onto a screen.
• There is a second wooden box inside the projector, and the focus of the projector can be adjusted by moving the wooden box outward or inward.

The lens of the projector uses a special concave-convex lens, which can project the content of the mobile phone screen in the projector.

The lens cover is opened or closed by gear adjustment, it can be opened by turning it counterclockwise, and it can be closed by turning it clockwise.

Adjustment button – There is a rectangular push button on the top of the wooden box that connects the lens. Push the lens forward to open it, and vice versa to close it.

Mobile phone holder – there is a holder for placing the mobile phone behind the wooden box on the second layer. When projecting, put the mobile phone on the holder and cover it.