Amazon has the Barbie Star Light Adventure Lights & Sounds Hoverboarder for only $7.50 (Reg $24.99) with Prime Shipping. This doll creates light and sound effects as she is moved on the hoverboard.
If you are not already a Prime Member you can join with a 30-day free trial of Prime, as a student with Prime Student, or as part of Amazon Family.
Please note that prices are subject to change at any time and may have increased or decreased since this offer was posted.