The lid is a 3x magnifier and includes a flip-down magnifying glass for 8x magnification. A gridded bottom allows for bg size comparisons. This magnifying bg catcher jar makes fun for kids to look at bgs sand sea shells butterflies litter critters samples from a rock. Manufacturered by Binory. Realistic educational and fun this figurine and jar are suitable for a range of interests including collectors enthusiasts teachers and kids. Your children can admire it on a shelf use it in the classroom or simply enjoy playing with it. Perfect nature exploration toys gift. The bg jar is 3 inches tall and 2.8 inches in diameter. An attractive yellow lid and flip-down magnifier completes the set. For ages 4 and up.