Toy Stores
Toy stores like Toys 'R' Us are one of the best places to find a Sit &Spin. Check in the childhood toys for ages 2 to 5. If you do not have a Toys 'R' Us in or near your city, call the nearest location ahead of time to make sure they have the Sit &Spin in stock. If you prefer, Toys 'R' Us also offers this item on their website, ToysRUs.com, and also allows you to check the availability of the item in stores. Simply type in your zip code on the item page (below the Add to Cart category), and the website will tell you if the item is currently in-stock at your store location.
Superstores
Superstores like Wal-Mart and Target all carry a wide selection of children's toys, including the Sit &Spin. Visit their websites to check for in-store and online availability (Walmart.com and Target.com). On the item page, availability will be displayed for both online and in-store, and you will also be able to type in your zip code to find out if the item is in-stock at your nearest store location.
Manufacturer Website
Sit &Spin is manufactered by Playskool, a company that makes a wide variety of children's toys and products. The Playskool website allows you to purchase the Sit &Spin online, and it is always in-stock and available for purchase. Remember to account for shipping costs when purchasing online, which are based on the package weight and your shipping address.
Online Retailers
Online retailers like Amazon.com carry many children's toys, including the Sit &Spin. The Sit &Spin is also available at price-compare and online auction websites like eCrater and eBay. These sites allow seller's of a product to name their own selling price, many times making selling prices far discounted from the retail selling price. You purchase directly from the seller, and when the seller receives payment, they ship the item directly to you.