Some friends dropped by with a 29 they had been given. (The stand and an accompanying 10-gallon were fine. And they couldn't beat the price.) One side of that 29 had been deliberated kicked by a pretty obnoxious kid (please God don't let him reproduce until he has done a lot of growing up as a person!) We looked at leather gloves and different kinds of roofing knives from the work-room.

We discussed a similar 10-gallon I had taken apart. Three other aquariums got glass tops out of that disassembled 10, though the edges are a bit sharp. Three glass tops cost nearly as much as three ten-gallon aquariums and were secured for the price of just a broken ten.

Already had the leather gloves, dopey looking clear plastic eye protectors with the elastic strap to go around the head (hot and easily fogged but still a great idea) and the hooked roofing knife to break the seal and if need be pull the silicon out of the corners and sides of a tank. Wearing a long sleeved shirt and doing that dis-assembly after one's coffee in the AM (while our wits are still about us) also seemed advisable. :)
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That is neat - the outing with the dog. I'm sure she has energy to spare!

By the way, in a spare moment (ha!), you and your daughter might enjoy visiting http://www.dogage.com  
There is also a peopleage site which is useful but too eager to sell you stuff.

One can profile their dog by answering a whole battery of questions. I have found that useful and have worked to improve our dog's care in response to some of those questions. They are a clever teaching tool, which certainly have have nudged my awareness of certain vast areas of my ignorance.

The last time I profiled the 11.5 year old schnoodle (none of this 11.5 x 7 years stuff) on Dog Age he scored the equivalency of 48.5 human years. Sheesh! He's "younger" than I am on peopleage. Guess who may get "put down" first? ;)