In this puzzle, you need to work together to find a way of swapping some red and blue frogs arranged in a line.
Watch the video for an introduction, or scroll down to have a go.
Alternatively, here are some instructions on how to play.
Can you find a way to swap the red and blue frogs, without ever going backwards?
Full Screen and tablet version
Try changing the number of frogs on each side.
Can you predict how many moves it will take to swap them over?
Note for parents: You may find it useful to watch our Guidance for Parents video for advice on how to get the most out of the Solving Together resources.
Frogs is based on a mathematical game called Toads and Frogs. Solving this puzzle builds important problem solving skills, such as working systematically and looking for patterns.