Happy Meals have been popular with youngsters since McDonald's introduced them in 1979, not least because of the toys included within, some of which are now worth serious cash to collectors.
From Hot Wheels cars to Beanie Boos, here are the nostalgia-inducing Happy Meal toys fetching a decent chunk of change on auction sites today.
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Hot Wheels (1983)
Estimated value: From $70 each
Back in the early '80s, McDonald's teamed up with Hot Wheels to give out cars with their Happy Meals. The rarest of these toys are now worth several hundred dollars on the collectors' market, especially if they're in mint condition and in their original packaging.
Estimated value: $180 AUD each
McDonald's jumped on the Furbies craze 23 years ago with its own version of the toy. Nowadays a single clippable Furby from a Happy Meal could fetch up to $180 on auction sites such as eBay, with whole sets commanding a small fortune.
Snoopy's World Tour (2000)
Estimated value: $265 for a full set
McDonald's launched a set of Snoopy toys to commemorate the character's 50th birthday. Fast forward to today and these little canine keepsakes are highly sought-after by collectors around the globe.
Fraggle Rock (1992)
Estimated value: $445
Featuring a cast of quirky characters, kids TV show Fraggle Rock was a big hit in the 1980s, so it's no surprise that McDonald's jumped on the bandwagon. These collectables are now almost impossible to come by, with full sets fetching upwards of $400.
Robots by Diener Keshi and Underwater Monsters (1979)
Estimated Value: $593 each
Because of their rarity and age, a single Happy Meal Robot or Underwater Monster toy is worth almost $600 today.
Mighty Morphin' Power Rangers (1994)
Estimated Value: $520 for a full set
Mighty Morphin' Power Rangers were everywhere in the 1990s, including at Macca's. Nowadays, a complete set of these collectables, including all the vehicles, could net you a cool $500.
TY Teenie Beanie Boos (2000)
Estimated Value: $670 for a full set
These miniature plushies have become the most popular Happy Meal toys of all time, and although several series have been released, the line from 2000 is the most valuable. Today, a set of these TY Teenie Beanie Boos could earn you over $650.