HINKLER BOOKS MR MYSTERY INVISIBLE INK - MORE MR MYSTERY DETAILS
Invisible ink! Cool!
Loved by generations, the Yes & Know® books are back!
All ages will have hours of fun with these popular activity books.
Play hangman, tic-tac-toe, battleship and more.
Each book comes with an invisible ink pen that works like magic.
Draw over the empty spaces and watch as hidden answers are instantly revealed.
Filled with fascinating facts and fun games, these books are great boredom busters for home or travel!
- Creative & Critical Thinking
- Fine Motor Skills
HINKLER BOOKS MR MYSTERY INVISIBLE INK - MORE MR MYSTERY CATEGORIES
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