ADUWEEK

Acoustic membranes; Acoustic separation units; Audio- and video-receivers; Cabinets for loudspeakers; Earphones; Educational apparatus, namely, blocks used as teaching aids for audiovisual purposes; Educational apparatus, namely, blocks used as teaching aids for modeling chemical compounds and visualization of math concepts; Educational apparatus, namely, blocks used as teaching aids for cognitive and physical development; Educational apparatus, namely, manipulative blocks used as teaching aids for the visualization of math concepts; Electronic book readers; Headphones; Horns for loudspeakers; Microphones; Portable media players; Electronic educational apparatus, namely, communication blocks that manipulate and convey information electronically based on their arrangement and are used for cognitive development in disciplines such as counting, spelling or quantitative