Some famous Swedish inventions or innovations are as follows:1. Tetra PakTetra Pak is a multinational food packaging and processing company that revolutionized the packaging industry. Invented by Swedish engineer Ruben Rausing in the 1940s, Tetra Pak's aseptic packaging system allows food to be stored for longer periods without refrigeration, reducing food waste and making it easier to transport and distribute. Today, Tetra Pak is used worldwide for packaging dairy products, juices, and other liquid foods.2. IKEA's Flat Pack FurnitureIKEA, the world's largest furniture retailer, is well-known for its affordable and easily-assembled flat pack furniture. This concept was pioneered by Swedish designer Gillis Lundgren in the 1950s when he had to fit a table into his car but couldn't due to its size. He removed the table legs and thus came up with the idea of flat pack furniture. This innovation allows for efficient packaging, transportation, and easy assembly, making it popular globally.3. SpotifySpotify is a music streaming platform that was co-founded by Swedish entrepreneurs Daniel Ek and Martin Lorentzon in 2006. It offers a vast library of music accessible to users through streaming on various devices. Spotify introduced the model of legal music streaming, which has revolutionized the music industry and become a dominant player in the global music streaming market.4. Bluetooth TechnologyBluetooth technology, enabling wireless connectivity between devices over short distances, was invented by Swedish telecommunications company Ericsson in the 1990s. It was named after the 10th-century King Harald Bluetooth of Denmark, who united warring factions similar to how Bluetooth unites different devices. Bluetooth technology has since become a standard feature in various electronic devices, such as smartphones, headphones, speakers, and cars.5. PacemakerThe implantable pacemaker, a device that helps regulate a patient's heart rhythm, was invented by Swedish engineer Rune Elmqvist and heart surgeon Åke Senning in the late 1950s. The pacemaker has been a significant breakthrough in cardiology, saving millions of lives and improving the quality of life for individuals with heart rhythm disorders.

Summary:

1. Tetra Pak: Aseptic food packaging system, invented by Ruben Rausing.
2. IKEA's Flat Pack Furniture: Affordable and easily-assembled furniture, pioneered by Gillis Lundgren.
3. Spotify: Music streaming platform, co-founded by Daniel Ek and Martin Lorentzon.
4. Bluetooth Technology: Wireless connectivity between devices, invented by Ericsson.
5. Pacemaker: Implantable device for regulating heart rhythm, invented by Rune Elmqvist and Åke Senning.

While planning your trip, take note of any travel restrictions that may impact your itinerary, such as limited access to certain regions or attractions.