A nice touch in this activity book is the perforated pages for easy removal.
Machinerys Handbook by Oberg, Margaret Jones and Horton (Hardcover)
What stands out about this activity book is the mix of puzzles for all ages.
Machinery’s Handbook 27
This novel is built around a central mystery that keeps you hooked.
Machinery’s Handbook
With this activity book, you can practice handwriting through fun exercises.
