Today’s limited-time Amazon Treasure Truck deal is for 25% off National Geographics Earth Science Kits. The price has dropped from $29.99 to $22.49 while supplies last. They chose this particular deal in celebration of Earth Day, and it includes 15 experiments for kids.

Have you heard about Amazon Treasure Truck yet? Their team of curators handpick deals for new, trending, and exclusive products. Once they find something, they’ll text subscribers with a limited-time offer, often with a discount. To sign up for Treasure Truck text alerts, send TRUCK to 24193. You don’t have to have an Amazon Prime account to shop these offers.

Get free two-day shipping with Amazon Prime. Not a member? Sign up for a free 30-day trial now. Otherwise, shipping is free on orders of $25 or more. If you’re on the fence about signing up, take a look at these Amazon Prime benefits.