TY  - BOOK
AU  - Greathouse,Lisa
TI  - How Toys Work
T2  - Forces and Motion
U1  - 688.72 23
PY  - 2010///]
CY  - Huntington Beach, California : 
PB  - Teacher Created Materials, 
KW  - Toys
KW  - Juvenile literature
KW  - Design and contruction
KW  - Simple machines
KW  - Mechanics
N1  - Grades 4 to 6
N2  - Text and photographs examine the inner-workings of toys, discussing the scientific principles that relate to toys, and providing instructions for a related project
ER  -