Face Your Fears and Fascination in Glowing 3D Detail: Explore the mysterious world of spiders from tarantulas to orb-weavers through vivid HD images with our patent-pending LED backlit 3D Viewfinder. No extra light required. This fully illuminated viewing experience turns creepy crawlies into captivating close-ups in this modern classic reel viewer. No Batteries Needed with USB-C Rechargeable Power: Our USB rechargeable viewer delivers 12 hours of learning and fun with no need for disposable batteries. Whether at home, in the classroom, or on the go, this lighted slide viewer is always ready for adventure. A practical and eco-friendly upgrade to the retro slide viewer toy you remember. Educational Viewer Toy That Makes Spiders Cool: This 3D slide viewer brings kids up close to the anatomy, behavior, and habitats of spiders with engaging visuals that promote curiosity and learning. It’s a hands-on educational viewer toy perfect for homeschool, nature units, or just sparking a love of biology. Also a great nostalgic toy for adults. Retro Vintage Toys Reinvented with Patent-Pending Design: Enjoy the magic of retro vintage toys with new technology that makes them even better. This adults classic slide viewer features a patent-pending backlit system, durable build, and easy charging for modern convenience. The perfect blend of learning, fun, and screen-free exploration. Includes 3 Spider Reels and Compatible with Add-On Slides: Comes with 3 spider-themed slide reels and 21 HD 3D images ready to explore. Fully expandable with our 6-pack add-on sets, this viewfinder with reels grows with your child’s curiosity. A unique kids 3D viewer that makes science thrilling and keeps imaginations spinning long after the first click.