Thames & Kosmos Hydropower Science Kit | 12 Stem Experiments | Learn About Alternative & Renewable Energy, Environmental Science | Parents’ Choice Recommended Award Winner

Amazon Price: $49.95 $39.99 You save: $9.96 (20%) (as of December 13, 2019 7:48 am - Details). Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the Amazon site at the time of purchase will apply to the purchase of this product.

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