| 000 | 00558nam a2200145 a 4500 | ||
|---|---|---|---|
| 005 | 20150716093958.0 | ||
| 020 | _a1-58541-049-7 | ||
| 100 | 1 | 0 | _aEducational Videos |
| 245 | 1 | 0 |
_aSimple machines / _cproduced by Educational Videos. |
| 260 | 0 |
_aEl Dorado Hills, CA : _bEducational Videos, _c1998. |
|
| 500 | _a1 videocassette (VHS) (15 min.) | ||
| 520 | _aChildren learn about the concepts of simple machines when they try to move parts for a structure they are building with as little force and time as possible. | ||
| 650 | _aSimple machines. | ||
| 942 | _c UKN | ||
| 999 |
_c53738 _d53738 |
||