I know a few have been asking this and so when I came across this I thought it be good to post it here
Argos 3 for 2 is due to start 21st sept
3 for 2, 1000s of toys included. Mix and Match on selected lines. Cheapest item free.
Can be used in conjunction with other offers such as 2 for £15, the till/basket will calculate the best deal for you