NGSS Space Systems - Patterns and Cycles - Grade 1 Book Set

The cycles of the moon and its orbit around the earth are just the beginning of the larger patterns we can observe in our universe. Learn more in this collection.   Special Shipping Information:  This item ships separately from other items in your order.  This item cannot ship to a P.O. Box.  This item may be subject to additional processing days.   Item is not eligible for expedited shipping.    You may initiate a return for unused items within 30 days, if the items are in original packaging with all original materials included with the shipment.