Our Products LEVER MECHANISM ( FIRST ORDER LEVER ) CONICAL ROLLER ( CENTER OF GRAVITY ) MASS INCREASES THE INERTIA ( INERTIA ) LESS FRICTION MORE SPEED ( FRICTION ) ENERGY MAY TRANSFORMED ONLY ( CONSERVATION OF ENERGY ) BALANCING BIRD ( CENTER OF GRAVITY ) RAMP ( MECHANICAL ADVANTAGE BY DIFFERENT INCLINED PLANE ) PIN HOLE CAMERA ( LIGHT ) SOUND WAVES ( SOUND ) 3D PENDULUM ( APPLIED SCIENCE ) WAVE MOTION ( SIMPLE HARMONIC MOTION ) SIMPLE PENDULUM ( SIMPLE HARMONIC MOTION ) VARIABLE PENDULUM ( SIMPLE HARMONIC MOTION ) PYTHAGORAS THEOREM ( MATHEMATICS ) DNA MODEL ( BIOLOGY/ CHEMISTRY )
