mini submarino

https://www.youtube.com/watch?feature=player_embedded&v=FhMnV4MdGkE#t=0

globo que levanta pesos

https://www.youtube.com/watch?feature=player_embedded&v=BvKlNkbMe9g#t=0

el agua que no cae

https://www.youtube.com/watch?feature=player_embedded&v=aWQWv5ArExU#t=8

solido magico

https://www.youtube.com/watch?feature=player_embedded&v=G7wxPr2svDE#t=1

arcoiris de sal

https://www.youtube.com/watch?feature=player_embedded&v=s9wQQW0oGZw#t=0

los seres vivos

https://www.youtube.com/watch?v=UYremlr-j3I&feature=player_embedded#t=0

caracteristicas

https://www.youtube.com/watch?v=y4yLaVlEwcA&feature=player_embedded#t=0

germinadores

https://www.youtube.com/watch?v=lawE8cusUis&feature=player_embedded

los animales son muy importantes para nuestro planeta