![Thames and Kosmos 620912 Air-Stream Machines](http://www.eio.com/cdn/shop/products/620912_1_700x700.png?v=1571722976)
Thames and Kosmos 620912 Air-Stream Machines
Original price
$53.90
-
Original price
$53.90
Original price
$53.90
$53.90
-
$53.90
Current price
$53.90
Build a working hovercraft that glides across smooth floors or flat water on a cushion of air. Learn how even though air is invisible, it still has mass and can support very heavy objects under...
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