Viper Championship Backboard Set by Viper. $109.55. The Championsip Backboard Set protects surrounding wall from dents and marks caused by stray darts. Convenient side panel holds four complete sets of darts and accessories. Accessories include dry erase marker and mounting hardware, DARTBOARD, DARTS AND FLIGHTS NOT INCLUDED Backboard dimensions: 29"H X 29" W x 1"D, Side Panel Dimesions: 23 1/2"H x 14 1/4" W x 1"D Weight 20lbs. Save 27%!