nJumble(R) BrainBusters Junior proves that learning doesnt have to be a chore Parents can get their kids excited about geography, history, science, and math with these fun, educational puzzles. Just like traditional Jumbles(R), BrainBuster puzzles feature a series of mixed up words that have to be unscrambled to reveal a secret answer. But with each BrainBusters, each step towards solving the puzzle is educational as well as fun.