This book was created with
automatic lap board
Copyright © 2017
the book is about a board that erases itself.
when the board becames filled with writing,
the teacher is pressing the button that placed next to the board,
and the board becames clean.
3
Published: Jun 9, 2017
Latest Revision: Jun 9, 2017
Ourboox Unique Identifier: OB-337170
Copyright © 2017
This book was created with