Prices are subject to change without notice. Due to economic uncertainty resulting from the tariff war involving the USA, you may be required to review, approve, and pay for any necessary price adjustments. We appreciate your understanding and cooperation.
Prices are subject to change without notice. Due to economic uncertainty resulting from the tariff war involving the USA, you may be required to review, approve, and pay for any necessary price adjustments. We appreciate your understanding and cooperation.
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...
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+.