You're gonna need a bigger boat! To grow your own shark, simply submerge the shark in water and wait for the magic to happen.

• Place in water for at least 72 hours 
• Initial size of shark: 6cm (length) x 2cm (width) x 1.5cm (height)
• Full size of shark: 12cm (length) x 4cm (width) x 3cm (height)
• Warning: choking hazard, small parts. Not for children under 3