Better Builders Standard Rods & Balls are a colorful, magnetic construction tool designed to help children discover principles of science and engineering while developing creativity!
Magnetic pieces easily hold together
Magnets are safely and securely embedded in the over-sized rods
Metal balls ensure a quick and strong connection
Includes 10 balls, 14 medium rods, 6 long rods, convenient storage bin and 22-page activity guide that explores magnetism and features sample building models
Pieces range in size from 2″ to 4-1/2″L
Coordinates with all Better Builders sets