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BASE 10 MATH MANIPULATIVES: Base ten block comes in different shapes and sizes to make it easier to count with place value
Will Not Turn Your Skin Green or Red or Itchy
One side contains the problem
Color coded to make learning easier & fun
and excellent cost performance
1pcs Concave Mirror Lens | 75mm Diameter and 75mm Focal Length Alcohol BASE 10 MATH MANIPULATIVES: BaseHigh Quality Glass: Made from durable and high quality glass, this Double Concave Mirror Lens is designed to last and provide accurate and reliable results in a variety of scientific applications. 75mm Diameter: With a diameter of 75mm, this lens is perfect for use in a range of optical experiments, including refraction, reflection, and more. 75mm Focal: Featuring a 75mm focal, this lens is an ideal tool for creating focused images and light beams.
