- Larger Dia Straw
- Slightly less dia straw
- BO motor I shape (double shaft)
- Ice Cream Stick
- 9v battery with cap
Explanation: A hippo can be made using the BO motor as body. On top of it a 9V Battery is placed ,on which a simple on/off switch is glued which controls the Motor. Legs are made which are straws (made in L shape) ,these are glued 180 degree apart on the two shafts. To transfer forward motion tooth Pics are used which are guided in straws.