The box is made of and material and equipped with double lenses. Children can obtain clear images of appearance through a magnifying glass, and observe the body structure and living habits of insects well, thus arousing children's interest science. Features -Color: Red, Yellow -Material: ABS plastic, acrylic optical lens -Size: 7.60X7.00X7.00cm/2.99X2.75X2.75in -Made of quality material, gentle and comfortable, for children, you can use it at ease. -The box is lighter, easy to carry and store. And children will like it very much. -The observation box can also be used for observing flowers, coins and other small objects. -It can be used for outdoor biological observation activities, work, school experiments, travel, etc. -The cover is designed with 3 times and 6 times double magnifying lenses to observe the details. Package list: 2 x Observation Boxes