Practice arithmetic with interactive cards and exercises. Choose problem types like addition, subtraction, multiplication, division, and percentages. Set number ranges and problem counts. Track time and problem completion. Pause and resume sessions.
Create and colors on a canvas to solve puzzles. Fill squares to complete paintings. Choose colors to mix and adjust hues. Complete levels with increasing difficulty. Enjoy calming gameplay and artistic challenges.
Play memory games with sequences, pairs, and faces. Improve focus with attention exercises. Solve logic puzzles and pattern recognition challenges. Track progress over time and set daily training goals. Share scores with friends.
Teaches counting and basic calculations through interactive exercises. Features multilingual support for German, English, Spanish, Dutch, and French. Includes abacus-based activities and voice guidance.
Practice with quizzes on counting, addition, subtraction, multiplication, and division. Solve problems to improve skills. Track progress and receive instant feedback.
Teaches basics through an interactive book a baby hippo character. Includes theory and practice sections. Helps children memorize notation, piece movements, and understand rules. Features quizzes and gameplay to reinforce learning.
Learn to solve the 3x3 Rubik's using the Fridrich method. Practice F2L, 1-Look and 2-Look OLL, and PLL techniques. Access notation guides and save favorite cases to daily flashcards for review.
Learn from 1× to 12× through structured exercises and quizzes. Practice math facts and mental math with interactive drills. Track progress with built-in tests and receive instant feedback.
Play by tapping left to climb down or right to jump over missing cubes. Collect gems to unlock new balls. Track progress as you descend and see how far you can go.
Learn habitats and diets through interactive puzzles. Identify where animals live and what they eat. Listen to real sounds and professional narration. Complete levels with engaging, educational content.
Train time by tapping targets quickly and accurately. Play short challenges to test speed. Track progress over time. Improve reflexes through repeated practice. No registration required.