50 Optical Illusions

By: Sam Taplin

This set of cards contains 50 of the most amazing optical illusions ever created. You can turn over each card to discover some of the secrets behind the illusions. This description may be from another edition of this product.

• Format: Cards
• Language: English
• ISBN: 0794526640
• ISBN13: 9780794526641
• Release Date: January 2010
• Publisher: Usborne Pub Ltd
• Length: 50 Pages
• Weight: 0.65 lbs.
• Dimensions: 6.5" x 1.0" x 4.0"
• Age Range: 9 to 12 years
• Grade Range: Grades 4 to 7