Block step (1; 101; 201; 301; 401; 501) comprising a front lateral wall (6; 106; 206; 306; 406), a rear lateral wall (8; 208; 308), a left lateral wall (10; 110; 210; 310), a right lateral wall (12; 112; 212; 312) and a top (4; 104; 204; 304), wherein configured between the front lateral wall (6; 106; 206; 306), the rear lateral wall (8; 208; 308), the left lateral wall (10; 110; 210; 310), the right lateral wall (12; 112; 212; 312) and the top (4; 104; 204; 304) is at least one cavity (2; 102; 202; 302; 402; 502), wherein the cavity (2; 102; 202; 302; 402; 502) is accessible in particular by way of a base area (13; 213; 313) of the block step (1; 101; 201; 301), - wherein the cavity (2; 102; 202; 302; 402; 502) has the shape of a truncated pyramid (PS1; PS101; PS201; PS301), and the front lateral wall (6; 106; 206; 306; 406), the rear lateral wall (8; 208; 308), the left lateral wall (10; 110; 210; 310) and the right lateral wall (12; 112; 212; 312) have in each case from the base area (13; 213; 313) in the direction of the top (4; 104; 204; 304) a thickness (D6; D8; D10; D12; D210; D212; D310; D312) that increases in the direction of the cavity (2; 102; 202; 302); - wherein the block step (1; 101; 201; 301; 401; 501) in a region in which the front lateral wall (6; 106; 206; 306; 406) transitions into the top (4; 104; 204; 304) comprises a signal element (114; 214; 314; 414; 514); - wherein the signal element (114; 214; 314; 414; 514) in a longitudinal extent of the block step (1; 101; 201; 301; 401; 501) extends over the length (L1; L101; L201; L301; L401; L501) of the latter, and wherein the signal element (114; 214; 314; 414; 514) differs from the front lateral wall (6; 106; 206; 306) and the top (4; 104; 204; 304) in terms of material and/or colour; - wherein the signal element (214; 314) has the shape of an elongate cuboidal bar (231; 331); - wherein this bar (231; 331) comprises a chamfer (232; 332) extending over an entire length (L233, L333) of one of its longitudinal edges (233; 333); - wherein contiguous to the chamfer (232; 332) are a first lateral face (235; 335) of the bar (231; 331) that is configured as an end face (234; 334) of the signal element (214; 314), and a second end face (237; 337) of the bar (231; 331) that is configured as a tread (236; 336); - wherein the end face (234; 334), the chamfer (232; 332) and the tread (236; 336) conjointly form a visible face (SF231; SF331) of the bar (231; 331); - wherein the bar (231; 331) comprises a left end portion (238; 338), a central portion (239; 339) and a right end portion (240; 340); - wherein the central portion (239; 339) extends laterally beyond a longitudinal extent of the cavity (202; 302); - wherein the bar (231; 331) has a constriction (241; 341) extending over this central portion (239; 339); and - wherein the constriction (241; 341) is configured on at least one further lateral face (242, 243; 342, 343) of the bar (231; 331) and lies opposite the visible face (SF231; SF331). - wherein the cavity (2; 102; 202; 302; 402; 502) has the shape of a truncated pyramid (PS1; PS101; PS201; PS301), and the front lateral wall (6; 106; 206; 306; 406), the rear lateral wall (8; 208; 308), the left lateral wall (10; 110; 210; 310) and the right lateral wall (12; 112; 212; 312) have in each case from the base area (13; 213; 313) in the direction of the top (4; 104; 204; 304) a thickness (D6; D8; D10; D12; D210; D212; D310; D312) that increases in the direction of the cavity (2; 102; 202; 302); - wherein the block step (1; 101; 201; 301; 401; 501) in a region in which the front lateral wall (6; 106; 206; 306; 406) transitions into the top (4; 104; 204; 304) comprises a signal element (114; 214; 314; 414; 514); - wherein the signal element (114; 214; 314; 414; 514) in a longitudinal extent of the block step (1; 101; 201; 301; 401; 501) extends over the length (L1; L101; L201; L301; L401; L501) of the latter, and wherein the signal element (114; 214; 314; 414; 514) differs from the front lateral wall (6; 106; 206; 306) and the top (4; 104; 204; 304) in terms of material and/or colour; - wherein the signal element (214; 314) has the shape of an elongate cuboidal bar (231; 331); - wherein this bar (231; 331) comprises a chamfer (232; 332) extending over an entire length (L233, L333) of one of its longitudinal edges (233; 333); - wherein contiguous to the chamfer (232; 332) are a first lateral face (235; 335) of the bar (231; 331) that is configured as an end face (234; 334) of the signal element (214; 314), and a second end face (237; 337) of the bar (231; 331) that is configured as a tread (236; 336); - wherein the end face (234; 334), the chamfer (232; 332) and the tread (236; 336) conjointly form a visible face (SF231; SF331) of the bar (231; 331); - wherein the bar (231; 331) comprises a left end portion (238; 338), a central portion (239; 339) and a right end portion (240; 340); - wherein the central portion (239; 339) extends laterally beyond a longitudinal extent of the cavity (202; 302); - wherein the bar (231; 331) has a constriction (241; 341) extending over this central portion (239; 339); and - wherein the constriction (241; 341) is configured on at least one further lateral face (242, 243; 342, 343) of the bar (231; 331) and lies opposite the visible face (SF231; SF331).