Certificate in accordance with European Standards EN 1176 by the German TÜV - SÜD. Made of pine autoclave treated with non-toxic salts. Parts list:N°2 towers with wooden posts discoveries sect. 7x7 cm equipped with protective panels in bi HPL bright colors. Dim cm 80x80x155 hN°2 intermediate footrests, phenolic glued birch plywood finished with colored films on both sides and protective cover in bi HPL. Size cm 80x80x40 h.N°2 panels with circular holes made of mahogany plywood glued okoumé phenolic impregnation with colorful paints and finished with non-toxic water-soluble wax.N°2 panels for the manipulative game tris bilaminate HPL.N°2 speakers tube made of tubular steel coated oven to 180°C.N°1 ramp slope in phenolic glued birch plywood finished with colored films on both sides with resin marble colored handles.N°1 slide fiberglass h. 80 cm.Assembled by 8.8 galvanized steel bolts and nuts. Elements covernut under colored nylon.