Practise making two colour/sound/object repeating patterns.
Can you could use some duplo blocks to make a tower alternating red and blue?
Can you make this repeating pattern - leaf stone leaf stone leaf stone? Can you continue it?
Challenge: Can you make a three colour/sound/object repeating pattern?
For example - toy car, duplo block, sock, toy car, duplo block, sock.....
clap, clap, stamp, clap, clap, stamp....