Here we have a set of number tracks with four numbers in each. Just fill the gaps so the number tracks are complete. A little bit harder than the 3 number tracks as two numbers in a row are missing on some of them. Those gorillas are up to their tricks again!

Here we have a set of number tracks with four numbers in each. Just fill the gaps so the number tracks are complete. A little bit harder than the 3 number tracks as two numbers in a row are missing on some of them. Elephants have great memories so no problems for them!

Here we have a set of number tracks with five numbers in each. Just fill the gaps so the number tracks are complete. A little bit harder than before as several numbers in a row are missing on some of them.

Here we have a set of number tracks with five numbers in each. Just fill the gaps so the number tracks are complete. A little bit harder than before as several numbers in a row are missing on some of them.