Whip up a batch of slime that stores light energy and then glows in the dark!
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Delivery, installations & returns
Free UK delivery on orders over £50
UK standard delivery: 3-5 working days - £4.95
International delivery: 7-10 working days, from £15.
We hope you will be delighted with your purchase, however if you change your mind you can return your order in its original condition, with proof of purchase, to one of our National Trust shops or via our online customer service centre and we will exchange or refund your order.
For more information see our delivery and returns page.