Light Sensor Level, Simply drop the light sensor level over the PAR or solar radiation sensor to determine if the sensor is level, one for use on any number of light sensors
Light Panel Reflection Bucket, Play with light and reflection with these mirrors on the light panel. Includes transparent pieces to be reflected. Enough material for a center. Stored in a reusable gallon container. Colors may vary. Light panel not included. Grades 3+
Crayon Refill, 12-Count Tuck Box Standard Size, Black, Refills for regular crayon, Uniformly blended pigments, Excellent for home, school, office, daycare, camp, church group and more, AP Certified, conforms to ATSM D 4236, safe and non-toxic
Crayon Refill, 12-Count Tuck Box Standard Size, Red, Refills for regular crayon, Uniformly blended pigments, Excellent for home, school, office, daycare, camp, church group and more, AP Certified, conforms to ATSM D 4236, safe and non-toxic
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