Chess and thinking games that build planning, patience, and problem-solving.
A real game of chess against a friendly bot - hints, undo, and three bot levels.
Textbook chapter - about 4 minutes, with a quiz if you want it.
Choose a subject and print practice questions from its textbook chapters.
Write a program of forward and turn blocks to walk the robot to the flag - planning, testing, and fixing like a real coder.
Textbook chapter - about 3 minutes, with a quiz if you want it.
Read the clues and mark the grid - one check per row and column solves who has what.
A kid-size sudoku - fill the grid so every row, column, and box has each number once.
Kepler's LabKepler's Lab