Learn vocabulary through interactive games. Match cards pictures for KOTOBA1, create sentences verb and vocabulary cards for KOTOBA2, and select matching illustration cards for KOTOBA3. Track progress through seasonal study maps.
Create and fold paper strips into patterns by matching three strips. Solve puzzles by planning placements and color distributions. Assemble complex designs from simple shapes. Avoid unsolvable situations through strategic thinking.
Solve puzzles with 1,000 unique handcrafted puzzles across four skill levels. Choose from standard, symmetrical, and patterned styles. Adjust color schemes. View incorrect answers in red. Track times.