This 35 piece set contains a variety of magnifying instruments which can be used for a selection of experiments and investigations. The magnifiers are of differing strengths and allow for many areas of experimentation. Suitable for a wide variety of magnifying needs both in the classroom and outdoors. Ideal for a class (of 35!) carrying out scientific enquiry and easy to store!The set comes in a tough waterproof plastic storage box and contains:24 x 35mm hand magnifiers with 5x magnification5 x 50mm double lens hand magnifiers with 4x & 6x magnification2 x 63mm hand magnifiers with 3.5x magnification4 x 70mm bug viewing boxes with 3.5x magnification (and 0.5 cm measuring grid)