LRS1878: Explore weight and measurement with these easily stackable Hexagram® Weights. Color-coded weights offer visual cues in measurement activities. Set of 54 includes twenty 1g, twenty 5g, ten 10g and four 20g weights.
LRS1658: Teach weight, measurement and grams with this strong, durable,
plastic balance. Features detachable buckets for easy clean up, and for accurate measurement a sliding compensator for zero adjustments. The set includes five each of 5 gram and 10 ...