Try this toilet roll butterfly craft with a free printable to make things even easier! The heart-shaped wings make it a great Valentines idea as well. Number of players: ...

Try this toilet roll butterfly craft with a free printable to make things even easier! The heart-shaped wings make it a great Valentines idea as well. Number of players: ...

Try this toilet roll butterfly craft with a free printable to make things even easier! The heart-shaped wings make it a great Valentines idea as well. Number of players: ...

Try this toilet roll butterfly craft with a free printable to make things even easier! The heart-shaped wings make it a great Valentines idea as well. Number of players: ...

Using butterfly wings as a template for nanotech Not only are butterflies' wings lightweight, thin, and flexible—they also absorb solar energy, shed water quickly, and are self-cleaning.