Special reminder: buyers friends in the three prism， we must put the three prism box on the table， and then to open!! Because buyers appeared in front of friends to open the packaging， then picked up the three prism box to open， open the wrong way results three prism box， three prism box caused by turning the three prism directly off the ground broken!! Especially children， the baby is looking forward to open the box is not the right way， resulting in a broken phenomenon! This is very disappointing， very regrettable thing， so please receive a three prism open the time must be careful some!