3 - 5 years. Children's books and hands-on investigations bring math and science concepts to life! Support young children's natural curiosity and encourage them to explore what happens around them. Each investigation includes the following: a list of materials needed, standard addressed by the activity, step-by-step instructions, open-ended questions and comments to stimulate children's language and thinking skills, observation guidance to use during each investigation, how to deepen and extend the investigation, and how to connect the investigation with children's families.

Express Delivery Surcharge

We add a surcharge for expedited delivery of a few items because of their weight, size or dimensions. This charge is in addition to our base shipping charge for Next Day or Second Day Air.

The Next Day Delivery Surcharge for this item is:	$39.00
The Second Day Delivery Surcharge for this item is:	$0.00