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3 NEW Spring Scales 0-1000g Use these sturdy calibrated spring scales for all measuring and comparing activities. Measures in grams and ounces up to 1000g/ 2.2lb. Also contains a zero adjustment dial for accuracy.
INT-MA00611 4 Pulley Blocks
A set of three plastic pulley blocks to set up in the classroom and demonstrate the reduced effort required to lift weights.
INT-SPULL-BL £ 9 .49
5 Push/Pull Force Meters These 6 spring balances can measure forces in two separate directions, using a spring for compression. With both grams and Newtons for measurement.