Find solar system models in hobby shops, toy stores, merchandise stores and at a variety of websites. Toys R Us and Walmart are two well-known options that have many locations in the United States. Amazon.com offers a reputable online option.
Toys R Us provides a variety of different solar system models and do-it-yourself assembly kits to choose from. The products range from educational to decorative. Glow in the dark kits are available, as well as scientific models that are built to scale. Also, find inexpensive styrofoam model kits here, plus much more.
Amazon.com also provides a plethora of options. Here, find models that are inexpensive or that lean toward the pricier end. Educational Insights sells a Geosafari motorized solar system on the Amazon.com website for a reasonable price, and a solar system globe mobile by Authentic Models is also available.
Convert any room into a planetarium with the variety offered at Ebay.com. A large variety of models, both motorized and stationary are for sale. Choose from glow-in-the-dark models to collectors editions. Be sure to check out local hobby shops. These are found either by checking online or in the phone book. YellowPages.com is a good spot to check for nearby locations.