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