Electric Cannon Kit W/ping Pong Ball

• Pinger Flinger his little, easy-to-assemble, educational ping-pong cannon kit is from a design by the Middlesex University staff in the UK.
• You get a 4-1/4" dia plate, (4) screws, suction-cup feet, wire, (2) small DC motors, terminal strip, wheels, a switched battery holder, and a ping-pong ball.
• Assemble it, add a couple of "AA" batteries, feed the ball between the spinning wheels and watch it fling that pinger. Works like tennis-ball and batting practice machines. No soldering required.

there are absolutely no pre assembeled pieces in it. it works pretty well though you forcefully have to push a ping pong ball through. it wouldnt be able to be automatic. shoots apx 20ft but not with much force. it also vibrates alot so it has potential to move.

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They have made this as simple as possible, yet still actually be a build-it toy.It could use a couple of wrenches to tighten the bolts.The ball is a little big for the standard space created by the spinning wheels.Just tilt the wheels outwards and it works OK.No real speed or force, but quite safe for anyone over the age of 9.

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I attempted to make this kit with a young man age 13, who I mentor.the box was misleading in that it stated all you needed was batteries.In truth, you needed some kind of wire stripper and needle nose pliers would have been very helpful.We did manage to strip the wires as instructed, using a pair of scissors but we broke one of the connections trying to attach the wire.The manual dexterity to make this is more that the two of us had together.