Already got the green one of these and was on the lookout for another and found this buried within Amazon. You have to select "11 new from £3.48" to find the Amazon price which sadly does have a 3-4 week delivery time, but if you don't mind waiting this is a great deal. Around £10 everywhere else.
"Microwavable soft toy - ideal for a cozy sleep
Lavender scented wheat bag - can help promote sleep
Takes away risk of water scald"