Play games to practice arithmetic and problem-solving skills. Access a growing library of games requiring internet connection. Track progress and challenge friends through in- features.
Can solve puzzles to develop logical thinking and vocabulary. Features include themed levels set in locations like a park or space, voiced by professional talents, and interactive gameplay with a funny character.
Calculate of geometric shapes including square, rectangle, parallelogram, triangle, trapezium, rhombus, and circle. Choose from multiple calculation methods. Input dimensions and receive results. Save and share calculations.
Read articles and watch video lectures on historical topics. Bookmark favorites for later. Access podcasts and masterclasses. Save content to an archive for future reference.
Solve puzzles by rearranging letters to form words matching a picture. Complete 800 levels with new content added regularly. Available in 15 languages. Track progress and compete with other players.
Access aviation regulations and manuals including Titles 14 and 49 CFR and the Aeronautical Information Manual. View pilot/controller glossary terms. Receive free updates. Search and bookmark sections for quick reference.
Play memory to improve recall. Engage in visual to enhance observation. Identify shapes and forms. Solve puzzles and navigate mazes. Explore music and sounds. Learn numbers through interactive activities.
Solve by arranging seven pieces in the shaded area without overlapping. Access over 500 . Unlock 35 unique piece skins by completing puzzle pages. Choose from five sand backgrounds. View puzzle completion status.
Solve seasonal-themed with 25 riddles per season. Each puzzle uses unique logic requiring critical thinking. Features include seasonal color themes, varying difficulty levels, and classic puzzle types like Sudoku and Sokoban.
Learn Chinese characters with 1200 essential words, including pronunciation and writing. View real-life pictures with hidden options. Tap to hear standard pronunciation for characters and phrases. See stroke order with numbered steps and arrows.
Solve tangram puzzles with 48 unlocked levels and over 700 additional puzzles. Drag and rotate pieces to complete shapes. Track progress and revisit completed puzzles.
Move blocks to fill the board. Drag and position pieces to complete puzzles. No rotation allowed. Solve logic challenges to progress. Improve problem-solving skills through gameplay.
Practice speaking skills through real-time conversations with an AI . Receive instant feedback on pronunciation and grammar. Learn vocabulary in context with interactive dialogues. Track progress with lesson history and performance reports.
Solve puzzles by analyzing 3D shapes from front, side, and top views. Rotate and manipulate objects to match projections. Track progress and complete levels with increasing difficulty.
Test your knowledge of chemical by guessing their names or atomic numbers. Learn element symbols, categories, and properties. Track progress and challenge yourself with increasing difficulty levels.