Explore your world, near or far. This value pack offers must-haves for visual exploration. The essential field magnifier is the right tool for up-close examination, and the built-in scales help you measure your field specimens - animal, vegetable or mineral. The 10x30mm optics of the pocket spyglass lets you keep your distance yet still have that up close and personal view. Three rugged, all-purpose, and high-strength carabineers let you attach plenty of extra gear to your Backyard Safari Field Cargo Vest. Our pop-up essential field guide fits in your pocket and pops up to provide handy information while on the trail. For ages 5 years and up.