Bingo Game (www.oh-benri-tools.com)
An online tool for conducting bingo game draws in a browser. Numbers are shuffled when you start, and drawn numbers are displayed. Pairs with the Bingo Card tool to enjoy the full game.
Bingo Card (www.oh-benri-tools.com)
An online tool for generating and using bingo cards in a browser. Click card numbers to mark them, and pair with the Bingo Game tool to play bingo.
Addition Challenge (plus.onl.jp)
A math practice web app where you solve addition problems one after another within a time limit. Great for improving children's arithmetic skills or as a brain workout for adults, with score recording.