Telescopes and microscopes should be portable, and fit in you sims personal inventory.
http://www.kahnfineantiques.com/images/img/3-24-12%20023.jpg
https://ae01.alicdn.com/kf/HTB1HDaHoDvI8KJjSspjq6AgjXXav/Original-Binoculars-8-24X30-Zoom-Monocular-Telescope-Pocket-Binoculo-Hunting-Optical-Prism-Scope-With-Tripod-Free.jpg_640x640.jpg
https://i.pinimg.com/originals/08/70/08/087008f1712e92704be86d3cc3158ca6.jpg
https://giftsunder20.com/wp-content/uploads/2016/03/Carson-MicroMax-60x-100x-LED-Lighted-Zoom-Pocket-Microscope-For-Field-Inspection-of-Science-Fibers-Plants-Cells-Skin-Currency-Wildlife-and-More-MM-100-0-3.jpg
https://micro.magnet.fsu.edu/primer/museum/images/nachetpocket.jpg
http://www.vintagephoto.tv/saletradeimages/tami1.jpg