Bearbrick Bearbrick is a collectible toy brand that has gained popularity among collectors worldwide. Each Bearbrick is uniquely designed and comes in various sizes, with the most common being Bearbrick 1000, Bearbrick 400, and Bearbrick 100. Bearbrick 1000 The Bearbrick 1000 is the original size of Bearbrick and is the largest in the series.