Hardware kits consisting primarily of custom printed circuit boards, sensors, modules, internet connected devices, cables and adapters, sd cards, usb sticks and printed user manuals for STEM education containing educational features and educational programs; electronics kits consisting primarily computer hardware and downloadable computer software for education; data processing apparatus; computer hardware; data processing equipment, namely, couplers; computer motherboards and daughterboards; downloadable computer operating software; electric control panels; downloadable image file containing educational training; downloadable computer application software used for educational training; downloadable mobile applications for controlling intelligent toys and toy robots; educational apparatus, namely, blocks used as teaching aids for modeling chemical compounds and visualization of math concepts; electric sensors; teaching robots; motherboards; electrical controlling devices; circuit boards; blank electronic chip cards; electronic chips for the manufacture of integrated circuits; system boards (mother cards) and processors; logic circuits; electronic educational kits consisting primarily of custom printed circuit boards, sensors, modules, internet connected devices, cables and adapters, SD cards, USB sticks and printed user manuals comprising downloadable and/or printed instructional manuals for developing cognitive skills in the area of science, technology, engineering and math; children's educational electronics construction kits for teaching electronics comprised primarily of wires, contacts, diodes, resistors, power supplies, lights, and instructional materials