Duncan Pulse® Light Up Yo-Yo $16.99 Default Title - $16.99 Quantity This product is coming soon. Please fill in the form below if you'd like to pre-order this item! Like the Lime Light, the Pulse features special LED light-up technology. Unlike the Lime Light, the Pulse features a ball-bearing axle for even longer spin times and friction stickers for easy returns. Used by world champions! Recommended for ages 6 years+. Available in assorted colours.