HART Swiss Ball 65cm L1-Science-L2-Physics-L3-Circuitry Fosters teamwork and communication as

Fosters teamwork and communication as students work together on navigation challenges

Compare mass before and after chemical changes

Featuring a sleek black frame and a durable

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HART Swiss Ball 65cm L1-Science-L2-Physics-L3-Circuitry Fosters teamwork and communication asThe HART Swiss Ball is a great all round training and recovery tool allowing you to improve core strength, balance and tone while focusing on specific muscle groups. Ridged finish for extra grip. Maximum user weight: 136kg. Latex free. What size Swiss Ball do I need? Your Height Recommended Ball Size Under 155cm 38cm ball (Yellow) 155cm to 170cm 55cm ball (Blue) 170cm to 185cm 65cm ball (Green) 185cm + 75cm ball (Red)