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Shop Component Parts for this kit
Grade 1. Many of the items in the How Can We Predict When the Sky Will Be Dark? 1-Use Module (item #516101) may be reused. For those items that cannot be reused or are consumed, this 1-Use Refurbishment Set provides replenishment materials to teach a class of 32 students once.
If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.
