Thames & Kosmos Simple Machines kid friendly magnets the cube also features turning

the cube also features turning gears and cogs

It's pumped up fun for parties

With Neptune by your side

(Full disclosure: Not for adults who can't resist building it themselves

Thames & Kosmos Simple Machines kid friendly magnets the cube also features turningJumpstart your study of mechanical physics by learning all about simple machines and how they're used to make complex tasks easier to do. Through 26 model building exercises, you'll investigate all six classic simple machines wheels and axles, levers, pulleys, inclined planes, screws, and wedges as well as gears. Start off with simple models to guarantee a firm understanding of the basic principles at play, and then move onto larger, more complex