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(More customer reviews)I purchased three Geospace Jumparoo Anti-Gravity Pogos as an Easter gift, one rated 33-66 lbs.Geospace Jumparoo Anti-Gravity Pogo, SML-riders 33-66 Lbs for my daughter (5 years old), and two rated 66-132 lbs.Geospace Jumparoo Anti-Gravity Pogo, MED-riders 66-132 Lbs for the daughters (7 and 9 years old) of close friends. I ordered them on amazon.com because...
Complaint #1: Availability?
these are not available in stores. Even Target only sells them on-line.
The pogo sticks arrived in two parts: the extensible aluminum stick and the platform + spring base. Assembly was a snap. The girls donned their helmets and we headed for the driveway to try them out.
Complaint #2: Engineering?
The 75 lb. 9 year old was unable to get any bounce out of the pogo rated 66-132 lbs. She tried the one rated 33-66 lbs. and was able to get enough compression to bounce some, but never very high, so not very exciting. Mom (ca. 130 lbs) tried and also found the bounce disappointing. We decided to extend the shafts so see if gripping higher gave better leverage, bringing us to...
Complaint #3: Engineering?
The extensible shaft is comprised of two nested aluminum tubes. The outer tube has regularly spaced holes lined up along the length at about 6" intervals. The inner tube is fitted with a brass(?) spring-loaded button that is captured by a hole so you can increase/decrease the shaft length in 6" intervals. The problem is that nesting two aluminum tubes gives you a lot of snug aluminum-on-aluminum contact. Combine this basic design no-no with...
Complaint #4: Quality Control?
large burrs on the inside of the button capture holes, and the nested tubes seized the first time we tried to adjust the shaft length. This happened first on one shaft, then on a second. We did not even open the package for the third. I and several other physicists (some with respectable prowess in both machining and materials science) took the shafts to the laboratory and tried all sorts of tricks to get them apart so we could de-burr the button capture holes. No luck. The aluminum was soft, the burrs were large, the nesting tubes were fused.
Given the high price of these pogos, I think we had a right to expect superior engineering (at lease as much bounce as a simple spring-type pogo), and quality manufacturing. The presence of huge burrs on the drilled holes suggest absolute zero quality control.
My recommendation: don't buy this product, at least not until the company improves the design. If you want to bounce, head down to your local sporting goods store and buy a garden-variety pogo stick. We bought one off-the-shelf for $35---1/2 the price and 2x the bounce.
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Geospace Jumparoo Anti-Gravity Pogo, MED-riders 66-132 LbsJumparoo is easier and more fun than a pogo stick. It uses the same lively jumping technology as anti-gravity boots: the patented, exceptionally rugged rubber T-springs let you bounce an amazing two feet in the air. Jumparoo is stable and easy to balance on, thanks to its wide, high-traction base. Move the adjustable-height joystick in the direction you want to go. The non-marring base won't mark floors, so it can be used indoors or out. Holds up to 132 pounds.
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