The Optical Illusion Pack [With Spirals, Shape Model and 3-D Glasses and Spinner]

By Janet Sacks

Not only is this incredible kit packed with more than 100 mind-boggling illusions, it also explains the science behind them. Kids will love learning how the brain tricks the eye into seeing what... This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 0764166174
• ISBN13: 9780764166174
• Release Date: January 2013
• Publisher: B.E.S. Publishing
• Length: 36 Pages
• Weight: 0.90 lbs.
• Dimensions: 0.7" x 8.0" x 8.4"
• Age Range: 9 to 12 years
• Grade Range: Grades 4 to 7