Transparent design allows children to observe insects accurately and directly. Perfect for children to expand their knowledge, stimulate children's interest in exploration and learning. The insect collecting jars are made of premium materials, they are long-lasting and reusable. Improve children's cognitive competence and children's imagination and operation ability significantly. A great teaching tool for your kids to learn a lot outdoors while having fun. Color: Red, Yellow. Material: ABS, acrylic optical lens. Size: 8. 90X7. 20X4. 80cm/ 3. 50X2. 83X1. 89inch. Package Including 2pcs Bug Magnifier Insert Bug Viewer Bug Magnifying Container Critter Insect Cage Scientific Bug Magnifier For Scientific Nature Exploration Tool