Every child knows getting called up to the classroom board can be a daunting situation. Take the anxiety out of academics with this deal: Pay $20 for $40 to spend online on merchandise from Whiteyboard. This online retailer makes it easy to nurture your child's creativity and homework with massive adhesive whiteboards. Ranging in size from a few square inches to a wall-sized 5x11, these dry-erase surfaces come in a range of styles including white, clear, and glare-free matte. Use your voucher to turn the wall of your son or daughter's room into a platform to think out problems; stick one in your bedroom for a spot to write down to-do lists; or transform the family playroom into an easily cleaned creative space. With dry-erase paint also available, you can transform any surface -- no matter the size or shape -- into the perfect sounding board for scholastic success.