Even we are having that but we have different features and ours is newline brand which is in our school.The school has bought it when we are 4th standard
Hey if you leave the tv inside the bottom box you can easily lift it with two people by grabbing handle then tilting it back and lifting with one hand on handle and the other on bottom of box. You can then just tap the bottom box off after its hooked in. This can save you a tremendous ammount of muscle energy especially if you are doing 15 or more a day with just two guys :)
