most dumpster collectors of this type are professional in what they generally do. it can even function as a work table. it is delivered in a great fashion and makes a perfect companion to the previous titles. and so if teachers show they care more by putting their money where their mouth is? some potential for hazards to health or the environment. there are several books to choose from, and kids in kindergarten through college can participate! 😉 looks fascinating,even though sensitive material. yes i know its fast but its the only model on the bench at the moment. 