Teaching robots; educational software; computer software concerned with children's education; educational software for children; motherboard for science education; computer software platforms, recorded or downloadable; semi-conductors; printed electronic circuits; electronic circuit board; integrated electronic circuits; downloadable electronic publications in the nature of magazines; weekly publications downloaded in electronic form from the internet; electronic publications recorded on computer media; add-on circuit boards for connecting computers to networking software; circuit board for practice; add-on circuit boards; flexible circuit boards; electrical circuit boards; circuit boards provided with integrated circuits; computer circuit boards; circuit boards.