Manufactured in two pieces of 20 mm melamine board and reinforced on the entire perimeter with a frame of 25x25x2 mm iron profile and bases of 40x40x2 mm profile. Frame and ground supports painted with white epoxy paint and subsequently oven-dried. Marks and numbering in 10 and 5 cm black vinyl. The scale is composed of 2 parts measuring 2,40 x 0,35 x 0,35 mm to place next to the sandpit with scale of 4 to 8 on one side for long jump and 11 to 15 for triple jump. Both sides of the mixed scale model are marked. Each side includes the numbering of both disciplines.