Air and Water Power Pneumatic Hydraulic Engines Kit

Kolmar Direct

20 In stock

Thames & Kosmos

Kolmar Direct

$ 29.38
$ 29.38

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Build your own pressure-powered engines and learn about the laws of physics with this Air and Water Power Pneumatic Hydraulic Engines Kit.

This 165-piece set allows children to build 15 different models. A 48-page, fully-illustrated guide is also included for added support and guidance.

Two different air and water powered-systems can be built using this kit including water-jet propelled cars and hydro-pneumo powered engines.

Models kids can build include a cutting machine, grinder, excavator, truck, detective car and more! Once the models are built, contests can be held to see whose water-jet propelled car or hydro-pneumo car goes the farthest!

This product is suggested for ages 8 and up.

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.