This is easier than water balloons - and the fun can go on for hours!
13. The Segway Skateboard - Retail Price: $499.99
Manual 3D Sandcastle Printer: The Most Tedious Way to Have Fun at the Beach
4. Electric Motorized Shoes - Retail Price: $649
NUMARK ( ヌマーク ) / iDJ PRO
A little walk with a horse by the seashore.