A set of flexible materials for exercise

MACHINE TRANSLATION (not authorised yet)

The set includes various materials for testing and presenting the elasticity: two cubes (13x5x5 cm) of latex sponge, 4 elastic cords finished with earrings on both sides, 4 small, soft rubber blocks, rubber tube long. 90 cm, 2 types of copper wire (0.28 mm and 0.45 mm), two wide metal springs with a diameter of 50 mm (4.5 turns each) and 25 pieces of springs for testing the elastic limit.