These sand timers have definitely come in handy for me around the house. I ordered one combo pack which came with four different sand timers. Each one is 3.5" tall and the base is 1" wide. The four sand timers include: one minute timer in red, two minute timer in blue, three minute timer in yellow, and five minute timer on green. After testing, all timers were accurate. I love that the timers have the minute(s) on both sides. This set also includes a small brochure which gives some different school activities.

I mainly purchased this set for the five minute timer. I needed something for the shower to help time a hair treatment that I use. I have to leave on my treatment for five minutes. I tried to keep a count in my head but it just wasn't working so well. So I decided to search for a timer. I originally thought of a digital timer but I came across some problems like needing a battery, making sure it was waterproof, and how it needed to be hung in the shower. While searching for a timer I came across sand timers and thought this would be so much easier to handle and much cheaper. I was afraid that the sand may eventually get hard and stop working properly when leaving it in the shower. However, after three months of sitting in the shower, I haven't had any problems at all. I'm very happy that I decided to get this set of sand timers.

If you need very precise time, these aren't what you'll want. I purchased 10-minute timers, and they actually range from 9 to 11+ minutes. I don't need precision, so they are perfect for me. I use them in my first grade classroom, and the students handle them daily. Two broke within the first week, but I attribute that to the learning curve of how I coached my students on the fragility of these timers. The remaining timers are now handled more delicately and are holding up well.

Perfect for training your pupp...errr...toddler! Bought these so that my 2yo could see when time-put would be up, and ended up using them to establish levels of consequence for different crimes.

Throw a Lego at the flat-screen? 2 MINUTES!

Think you're a ninja and can practice your roundhouse kick on the dog? 5 MINUTES!

Think you can stroll out of time-out and kick it on the floor with your Lincoln logs? TIMER GETS FLIPPED!

Great for learning colors too I suppose "Not the green one Dada"

Working on teaching him that multiple offenders end up in the pen for life, but he always hits the parole board with that crooked smile and ends up back on the street.

Someday we'll break this bronco..

I got these for my kids' time outs. They are pretty much your run-of-the-mill sand timers, BUT, can withstand the wrath of a kitchen sink garbage disposal. Don't ask how I know this, I just do. Super tough timers.

These timers are great for all types of uses, and seem to be very well constructed. My 3 and 6 year old have been using them for the past 3 months as a toothbrush timer, and we haven't had any break or malfunction. It's easy for kids to use and watch, so it's been perfect for a way of them being able to know how long they need to brush their teeth for without me constantly getting onto them about it ;) I love how it came with 4 timers, since we are experts at losing and misplacing things around here! It also comes in handy if we want to use them for different things as well. I've been very happy with this timer, it's done exactly what I was looking for at a great price!