| Name | Author | Created | Rating | Ratio | Cost | Safety | Time | Fun | Level | Activity Type |
|---|---|---|---|---|---|---|---|---|---|---|
| Building a Circuit to Test Electrical Conductivity | chambers | 30/01/2009 | < 9 : 1 | 2. < $5 | 1. Totally safe | 2. 10 - 30 minutes | 3. Even mix of fun and education | 3. 4th - 5th grade | Interactive (students do things) | |
| Build Your Own Thermometer | Greyson | 05/09/2007 |   3 of 5 stars |
< 2 : 1 | 2. < $5 | 2. Only minor risks | 2. 10 - 30 minutes | 3. Even mix of fun and education | 2. 1st - 3rd grade | Interactive (students do things) |