[ 3D camera systems, namely, adapters for allowing 3D shooting; 3D spectacles; Acceleration sensors; Accelerometers; Access control and alarm monitoring systems; Chipsets; Circuit boards; Circuit boards provided with integrated circuits; ] Computers and computer hardware; Computers and computer peripherals; Diodes; Educational apparatus, namely, blocks used as teaching aids for visualization of math concepts; Educational apparatus, namely, manipulative blocks used as teaching aids for the vis...