Monkton Park Primary School in Chippenham is running a family friendly half-term competition to raise funds for its wildlife conservation area.
More than 25 shops in the town centre are to display an item in their shop window that they would not normally sell.
People can guess what the items are in the What’s not my line? contest, to win prizes like Steam in Swindon tickets, Tesco vouchers and more.
Parent Judith Nelson said: “It will be great for children to do during half term.
“It is an event the shops have got behind and we are hoping it will be popular.”
It will run between this Saturday and next Saturday, November 1.
Entry forms cost £2 and are available from Chippenham Visitor Centre, Atwell Martin Estate Agents and the MS2 store on Monkton Park.
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