Distributed by Ravensburger in the United States, Siku has been making model cars and vehicles in Germany since 1921. Siku toys are a favorite with Gideon Rettich, partner at Classic Toys in New York City. “These toys are of the same quality as 30 or 40 years ago,” he raved.

The Four Wheel Loader is part of Ravensburger's Siku Super Series - Die Cast Metal.
— When asked about top-selling die-cast, Daren Levitt, owner of Toy Chest in North Conway, N.H., replied, "Siku: They're German. We sell those and they do very well, especially the construction figures."
— Although one retailer reported sales of six units a month for the Siku die-cast, others mentioned monthly sales of eight dozen and even 200.
— Seven of 34 retailers TDmonthly spoke with in spring 2007 mentioned Siku as a best-selling die-cast item in their stores. 

Land Rover Defender With Horse Carrier is part of Ravensburger's Siku Super Series - Die-Cast Metal.
— "It’s really Siku. That’s what we carry the most," said Debbie Carroll, partner at Kringle’s Toy Box in Amherst, N.H., when asked in spring 2007 about hot-selling die-cast in her store.
— Kringle’s sells "about 200 a month," Carroll told TDmonthly.
— Retailers also mentioned other Siku die-cast items, including construction vehicles and vintage car models.

There's no stopping this big yellow dump truck from getting the job done. The front cab tilts forward just like the real thing, and the rear open-box bed can be hydraulically raised. Also, the rear door swings open to allow the cargo to be delivered as ordered. This dump truck is stylish, rugged and functional.
— Siku construction vehicles were cited as best-selling collectible items in the store of Isis Latham, owner of Sugar Snaps Kids in Nashua, N.H.
— Latham told TDmonthly in summer 2007 that the store sells about 40 units from the Siku line per month.
— Siku has been mentioned with increasing frequency by retailers talking to TDmonthly over the last year.

This die-cast vehicle measures 10” x 4-1/2” x 2-1/4”. The vehicle’s crane is fully functional.
— “Construction cars by Siku,” Connie Hall, owner of The Three Bears in Ruidoso, N.M., told TDmonthly when asked to name the best-selling die-cast vehicle in her store. “We … sell maybe 50 per month.”
— “Siku makes some cool European cars, like Porches and Audis, and we probably sell about 40 to 50 of those per month,” Issac Gurock, head of operations at Magic Beans in Brookline, Mass., told TDmonthly in May 2008.
— Over 14 percent of 55 retailers singled out Siku vehicles as their best-selling die-cast.

This model all-terrain SUV is fitted with opening doors, free-rolling wheels and tires with rubberized tracks. From the front grill to the rear bumper, familiar details are worked carefully in a 1:87 scale.
— “Siku is the best,” said Barbara Fineblum, owner of Barston’s Child’s Play in Baltimore, Md., reporting sales of about 150 Siku die-cast per month during a July 2009 survey.