Learning Resources Big View Bug Jars (Set of 6)Adorable jars feature ladybug wings that open to invite little learners to investigate insects. Supports scientific observations with a 3. 5x magnifying lens, hidden under the bug's wings. Engages even those children who shy away from bugs, thanks to cute (and secure) design. Features screw on cap and air vents for live critter observation. Durable plastic jars measure 4. 5" H x 3. 5" in diameter.