Play-doh Variety 12 pack of slime, $20
Target have got a some play-doh on clearance and it also lines up with their buy one, get one half price offer too. I went with their 40 pack (20 colours) 3.4kgs total and their 12 Variety pack of slime for $30.
Buy One Get One Half Price
https://www.target.com.au/deals