What makes the tides tick? Do sharks lay eggs? Why are sea levels rising? Investigate the wonderful world of sand, watch how crabs move and marvel at spectacular seashells as you become a beach explorer. This book is bursting with hands-on activities, fascinating experiments and amazing facts to discover at home or on the shore. You can: Become a tide fort champion, create a miniature rock pool, spy on a hermit crab battle, identify where beach litter comes from, and experiment with seashells.