Never grow Up Card £1.50 Quantity: at £1.50 each Add To Basket 1 in stock. Never Grow Up Card Product Description: One for older kids & teenagers... The card is blank inside and comes with a matching envelope. Kraft card:- 240gms. Size: 10cm x 10cm. Payment & Postage: Please refer to our Delivery & Information section for our up to date postage prices and estimated delivery for your purchase.