Matchbox Superfast cars were produced between 1969 and 1982. They are not particularly rare and can easily be found in charity shops, second hand sales and eBay.
There are many locations that one could buy matchbox cars including Toys R Us, Walmart, and Target. Online one could purchase them directly from the Mattel website or on eBay.
You could buy it on an online trading site, such as Ebay or Trading Post Online. You can search for New or Used matchbox cars on these sites.
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This would depend on whether the model you are looking to buy is readily available and more importantly what the condition the model is in. A mint condition model is going to be substantially more expensive than a model which may have paint chips missing or is damaged in some way.
Yes
One of the best places to buy toys is Toys R Us. You can go to one of their many physical stores or buy directly online from their website. You will definitely find the toys you are looking for.
no but you can buy vans and cars
It really depends where you buy them. Because most toy shops/ supermarkets have different prices. But they usually cost around the $2 mark-$2.30 etc...
You can purchase Lesney's matchbox toys online at websites such as Amazon and Toycarcollector. You can also purchase used Lesney's matchbox toys online at eBay from personal sellers.
Is it possible to repair a car that was in an accident and then resell it?
One can buy a matchbox garage playset either from their local retailers such as Toys R Us or from online toy retailers or online general retailers such as Amazon.
It is possible to buy a sunshade for a car at your local car dealership, who will have custom sunshades for cars. You can also buy one online from websites like Amazon.