Laser sensors are likely to get noise from other objects close by, leading to inaccuracy when monitoring movement. TED-Ed is TED's youth and training initiative. It's a website wherever you can find small educational videos about a variety of topics, like People related to current affairs. Such as, a https://www.saleshubs.com.ng/product/baby-kid-toddler-educational-learning-study-toy-laptop-computer-game/