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This kit shows you how to make a scale to weigh many household objects by use of Hooke’s Law. Comes with a tape measure, a set of colorful plastic hex weights, a highly accurate special spring, and a detailed activity guide. Ages 7+.
SKFPH10612A-S3
This kit shows you how to make a scale to weigh many household objects by use of Hooke’s Law. Comes with a tape measure, a se...