Toroidal propeller launcher (snap-fit model)

<p></p><div class="separator" style="clear: both; text-align: center;"><iframe allowfullscreen="" class="BLOG_video_class" height="300" src="https://www.youtube.com/embed/KzRUKTwP1Ww" width="450" youtube-src-id="KzRUKTwP1Ww"></iframe></div><span style="background-color: white; color: #2a2a2a; font-family: &quot;Atlas Grotesk Web&quot;; font-size: 16px;"><div style="text-align: center;">We headed for the sandy beach. My daughter enjoyed playing with it.</div></span><span style="background-color: white;"><br /><span style="color: #2a2a2a; font-family: Atlas Grotesk Web;"><span style="font-size: 16px;">To make the propeller fly higher and farther, it has a design that combines two gears.&nbsp;<br /></span></span></span><span style="background-color: white; color: #2a2a2a; font-family: &quot;Atlas Grotesk Web&quot;; font-size: 16px;">The gears rotate smoothly without using lubricant. It is a snap-fit model that can be assembled without tools.</span><p style="--tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-ring-color: rgb(59 130 246 / 0.5); --tw-ring-offset-color: #fff; --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-offset-width: 0px; --tw-ring-shadow: 0 0 #0000; --tw-rotate: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-shadow-colored: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-skew-x: 0; --tw-skew-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; background-color: white; box-sizing: border-box; color: #2a2a2a; font-family: &quot;Atlas…