These on the go writable flashcards are perfect for keeping kids busy on the go and right now they’re on Jane for $4.99 with $3.75 for shipping (or $.75 for each additional). All the flashcards are bound together so they won’t get lost. They can be used as flashcards or as writing practice. Each set comes with a black dry erase marker. There are 11 different sets to choose from: numbers, letters, shapes, addition, subtraction, and sight words.