DESCRIPTION: 100% Brand new and high quality Delight and train your mind and eyes with this 3 dimensional crystal puzzle blocks. When you finished to assemble the interlocking plastic pieces together (be ready for a challenge)， its glossy and sleek design will take you to another planet. Amazing intelligent building blocks， also a nice decoration for home and bedroom Increase fun and happiness in your life Wonderful gift and toy for you and your family/friends Due to blocks are disassembled， there may exist burr at the edge of the parts， and you can trim it with an art knife before assembling. Suitable for 12 years old and up Attached with batteries and flashing module Size: Approx. 14*9cm(L*W， each group) Base size: Approx. 7.9*4.2*2.5cm(L*W*H) Material: Plastic Color: Yellow INCLUDED: 1set x Crystal Puzzle Blocks(48pcs included) 1 x Manual