A math game where users solve addition, subtraction, multiplication, and division problems within a 20-second time limit. Select symbols to input answers in a hatena box. Compete with friends for correct answers and track progress.
Watch HD videos of like cars, planes, and trains. Tap to play 10-20 second clips. Each vehicle has 4 different videos. Includes sounds like sirens and engine revs. No name mentioned.
Watch 10-20 second videos of sea creatures like dolphins, manta rays, and sea turtles. Tap to play clips showing behaviors such as octopus color changes and fish schooling. Includes interactive elements for children to engage with underwater .