This can work quite well when looking at books. Jack seems to have got the idea of in , on , and under , so he s ready to go on to these new prepositions. This is a nice activity to do with soft toys or the plastic animals. The easiest way to work on this with Jack is to choose just one preposition, such as next to . First demonstrate the idea of next to a few times.
Lion is next to the tiger.
Off he goes. Now lion is next to the giraffe . Then ask Jack to put the lion in the correct place. The lion is next to the crocodile. Now put the tiger next to the elephant.