A toy construction system comprising a plurality of toy construction elements, the plurality of toy construction elements including a plurality of function construction elements (401, 401a-c, 400A-F), the toy construction elements being configured to be detachably interconnected with each other so as to form a toy construction model, the toy construction model comprising at least a subset of the plurality of function construction elements (401, 401a-c, 400A-F), the subset including more than one function construction elements (401, 401a-c, 400A-F); each function construction element (401, 401a-c, 400A-F) comprising a function device adapted to perform a user-perceptible function; wherein the toy construction system further comprises a tag construction element (411, 411a-b); wherein the tag construction element (411, 411a-b) and the function construction elements (401, 401a-c, 400A-F) are configured for communication of configuration data from the tag construction element (411, 411a-b) to each of the subset of function construction elements (401, 401a-c, 400A-F) when the tag construction element (411, 411a-b) is in a proximity of at least a first function construction element (401, 401a-c, 400A-F) of the subset, and wherein the function construction elements (401, 401a-c, 400A-F) of the subset are each configured to control their respective function devices responsive to the communicated configuration data; wherein the tag construction element (411, 411a-b) is a passive tag construction element (411, 411a-b) comprising a memory for storing the configuration data and circuitry configured to be read out by at least the first function construction element (401, 401a-c, 400A-F) responsive to an interrogation signal from the first function construction element (401, 401a-c, 400A-F) for energizing the tag construction element (411, 411a-b); wherein the tag construction element (411, 411a-b) is configured to communicate the configuration data to a first function construction element (401, 401a-c, 400A-F) of the subset; and wherein the first function construction element (401, 401a-c, 400A-F) is configured to forward the configuration data to the other function construction elements (401, 401a-c, 400A-F) of the subset, characterized in that the first function construction element (401, 401a-c, 400A-F) is configured to detect the other function construction elements (401, 401a-c, 400A-F) included in the toy construction model and to selectively communicate the configuration data to all detected function construction elements (401, 401a-c, 400A-F) included in the toy construction model. wherein the toy construction system further comprises a tag construction element (411, 411a-b); wherein the tag construction element (411, 411a-b) and the function construction elements (401, 401a-c, 400A-F) are configured for communication of configuration data from the tag construction element (411, 411a-b) to each of the subset of function construction elements (401, 401a-c, 400A-F) when the tag construction element (411, 411a-b) is in a proximity of at least a first function construction element (401, 401a-c, 400A-F) of the subset, and wherein the function construction elements (401, 401a-c, 400A-F) of the subset are each configured to control their respective function devices responsive to the communicated configuration data; wherein the tag construction element (411, 411a-b) is a passive tag construction element (411, 411a-b) comprising a memory for storing the configuration data and circuitry configured to be read out by at least the first function construction element (401, 401a-c, 400A-F) responsive to an interrogation signal from the first function construction element (401, 401a-c, 400A-F) for energizing the tag construction element (411, 411a-b); wherein the tag construction element (411, 411a-b) is configured to communicate the configuration data to a first function construction element (401, 401a-c, 400A-F) of the subset; and wherein the first function construction element (401, 401a-c, 400A-F) is configured to forward the configuration data to the other function construction elements (401, 401a-c, 400A-F) of the subset, characterized in that the first function construction element (401, 401a-c, 400A-F) is configured to detect the other function construction elements (401, 401a-c, 400A-F) included in the toy construction model and to selectively communicate the configuration data to all detected function construction elements (401, 401a-c, 400A-F) included in the toy construction model.