Puzzle Jumping Flashing Bouncing Ball Dancing Ball Light Kids Toy Assemble Blocks Features:100% brand new and high qualityIt has a switch on its surface. By pressing the switch, it will start singing and dancing.The first time to install batteries is to disassemble the balls and install the batteries then assembling them.Warning:This toy is not suitable for children under three years old because of small parts.Power supply: 4 x 1.5V AA batteries(not included).Color: Random delivery (If you buy more than one,the color you received may be the same color or different colors)Material: plasticSales Way:Retail and WholesaleSize: One SizeLength: 10cm (3.94in)Width: 10cm (3.94in)Height: 10cm (3.94in)Quantity: 1PC Note:If you have big quantity (over 50 dollars), please feel free to contact me, I will give you best discount, thanks Size For Manual Measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon.And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank youPackage includes: (Without retail package)1 x Bouncing Ball