Being a builder is a very important job! They make things like houses and towers. Would you like to be a builder? Ngh¿ th¿ xây là quan tr¿ng l¿m nhé! Ngh¿ này xây nên nh¿ng công trình nh¿ nhà ¿ höc nhà cao t¿ng. Bé có mu¿n làm th¿ xây không? Your purchase of this book supports Library For All in its mission to make knowledge available to all, equally.