Like a lightning
Show a flashcard very quickly and then hide it.The children have to guess what picture is it.

Guess my flashcard
Choose a flashcard  but don't show it to the children.They have to guess it. The one who says the correct word is the next one to choose a flashcard . 

What's missing?
Stick some of the flashcards on the blackboard. Give one minute to the students to memorise them. Then ask them to close their eyes while you take out one of the cards. When they open their eyes they have to guess what flashcard is missing.

Memory
Stick some flashcards on the blackboard. Write a number under every flashcard. Give a minute to look at the numbers and the flashcards and then turn the cards over.Then you ask questions like: "What flashcard is number ( seven) ?" or " What number is (the dog)?"
Instead of numbers you can  use colours or any other vocabulary  you want to review.

I forgot a word!
Stick some cards on the blackbord.Say the names of the flashcards in random order but miss one name. The children have to say what word did you miss.

Pictionary
Divide  the class into teams of four  or five students. Show a flashcard to one person of each group. He or she has to draw it and the rest of the team has to guess what the word is. The first group to guess it gets a point