Plastic Stackable Weight Set of 54 (#LR292)
These color-coded stacking masses help children see mass or weight relationships at a glance. Each weight is a different color and thickness, so they are easy to understand and manipulate for small hands. They are perfect for use with a wide variety of balances, including our item no. C30023. American Scientific #5155-00.
Set of 54 plastic weights includes:
• Twenty (20) blue 1 g weights
• Twenty (20) red 5 g weights
• Ten (10) yellow 10 g weights
• Four (4) green 20 g weights
• Plastic storage box
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