This eBook includes 288 multiplication flash cards in color (where color is available). Each flash card is decorated with solar system images just like the flash cards depicted on the thumbnail image for the cover of this eBook.The first set of 144 flash cards has the problems 1x1 thru 12x12 in order. The first half of this eBook is designed for kids who are still memorizing their times tables.The second set of 144 flash cards has the problems 1x1 thru 12x12 shuffled. The second half of this eBook is designed for kids who have tried to memorize their times tables, and who need to test their mastery of it.Each flash card appears as its own picture on its own page. All of the flash cards come in pairs: First comes the problem flash card, followed by the corresponding answer flash card. So first you see the problem, and then you check your answer immediately.The answer flash cards have the names of the solar system images on them in addition to the answers.This eBook reads like a book. It is not a program or a game. It does not use a random number generator. The flash cards do look like ordinary flashcards (and they are in color and are decorated with solar system photos). The first half of this eBook has the flash cards in order to help memorize the times tables. The second half are shuffled to help test how well the times tables have been memorized. The shuffled cards will always appear in the same order.