They are back in stock but they won't last long! It's called chaos, but kids don't need a kit to create that, do they? And it actually is used to create really fun controlled "perpetual motion" Rube Goldberg-type devices. You (your kids will never displace you once they see this kit) assemble a frame of your choice and adorn it with sets of chutes, slides, funnels, catch baskets, trampolines... You name it. The new Chaos motor driven chain lifts a ball to the top of your construction and off it goes through whatever course(s) you have set up. It is really educational physics, and we guarantee hours of creative fun with this top quality, attractively packaged kit. The tower has a max height of 78" and a whopping 602 pieces! Everything you need is included. Ages 7 and up. Want to see it in action or Need help with your assembly? Try these helpful videos: Chaos Tower
Despite parental advice, here's a good reason to sit in in a dark room and think small. This Plasma Storm isn't as large as a standard plasma ball, so not only is it much more affordable -- the effect is concentrated and startling. The black plastic base has a switch. Turn it on at which point the 3" dia plastic globe (think baseball size) is filled with blue stems that flare to pink, looking like dozens of electric flowers searching for a way out. Very cool. Comes with a 6-ft power cord with transformer.
Newtonian demonstrator for science teachers. Mindless play for the rest of us. These are shiny, nicely balanced, high-performance examples of the classic Newton's Cradle - a ball on one end of a row of (5) suspended, barely touching balls swings into the others, and the ball at the opposite end reacts to the collision. The 11/16" dia balls in the small version (all-metal frame 6-1/2" high x 4" x 4-1/4") will collide about 30 times. The 7/8" dia balls in the large version (metal frame 5-1/4" high x 4" x 6", with a wooden base) will collide about 100 times. Awesome. Even more awesome that we paid someone to count the bounces just for you! (Unpacking note: Less awesome if you just yank it out by the suspension lines and pull a couple of balls loose. Be gentle.)
It's a toy! It's a scientific demonstration! Drop the 1" ball with a straw attached and watch the outer rocket straw launch. The farther you drop it, the higher the launch, which is the fun version of Newton's Third Law of Motion. And we give you (2) rocket straws on account of we know you're going to lose one.
Marbles with a surprise inside. These 1" dia clear acrylic balls have genuine deceased insects inside for your viewing pleasure. Our each is a tube of (5) marbles, all with a different bug body inside, which gives you something to look forward to.
This sinister device seems at first glance to be an innocent ping-pong ball. Touch both of the metal strips on the weighted bottom, however, and a circuit closes, making the ball flash red and moan eerie electronic sounds. Can be used to illustrate the idea of an electric circuit to children-show how electricity can flow through a chain of people holding hands, or that a little dampness can improve conductivity, et cetera. Powered with two watch batteries (included) so there is no danger of shock.
You take the Moo Popper, an open-mouthed 6" tall rubber Holstein, stick one of the (6) 1-1/8" dia chartreuse (or grass-colored?) foam balls in its mouth, give its bovine belly a good squeeze and it expels the ball across the room. Harder you squeeze, farther it flies. Impressive ballistics, good clean fun and an educational look at dairy farming practices all at the same time. Sorry, no fully automatic cows are available.
OK, glass with blue LEDs, but still. This is a Newton’s Cradle, always seen with steel ball bearings, but this time with frosted glass balls glowing a stunning bright blue while they swing on wires and prove Newton’s Third Law, and if you have to look that up you shouldn’t be reading this catalog in the first place. Just kidding--it says that for every action there is an equal and opposite reaction. You knew that. Newton would have ordered multiples of this beauty for all of his friends. Measures 7-3/4" tall on a 7" x 6" base with the standard (5) globes. You add (6) “AA” batteries for the glow.
Perfectly suitable for all your non-professional ping-pong-ball applications. These guys are white-ish, with a visible seam, and are 37mm in dia, as opposed to the standard 40mm or the former standard 38mm professional ping-pong balls. Priced so you can buy enough to do any number of clever things with them.
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In addition to this fabulous on-line catalog of incredible stuff, American Science & Surplus has three great retail locations. If you're in the neighborhood, please stop by! Store hours may vary. Feel free to call for store hours and directions.