Design Simple or Complex Walking Challenges! Build a raised Straight Walking Board just the way you want it! Brightly colored plastic components attach to each other to form a winding, serpentine shape or gentle curve. Create your own design as part of gross-motor activities, or use as a border for other play programs. Pieces have a no-slip 2''W surface, measure 12''L x 7''H, and have a 6''W base. Set includes 10 straight pieces. We reccomend that you also purchase W6863 Curved Walking Board set in order to create different configurations to vary the challanges. Assorted colors.