Battery : No.
No of Pieces : 21
A fine wooden set of 4 popular brain-teasers and intellectual puzzles. It improves one’s lateral thinking, problem-solving and concentration. The puzzles included in the 4-in-one wooden puzzle games set are three dimensional building games. Each one consists of a wooden pieces, which are designed to be fit together to create a finished three-dimensional shape. Solving the puzzle takes patience and skill and you can enjoy putting the pieces together again and again. The set includes a diagonal burr, a snake cube, soma cube and interlocking blocks. The set includes a wooden box with four compartments, so that you can keep the loose pieces or the assembled puzzles inside until you're ready to play again. The box is made from the same high quality sheesham wood with glass lid.