UNIQUE MAGIC MECHANISM - the clock runs on batteries and the mechanism seems "suspended" in the air, which adds to the attractiveness of the clock design PERFECT GIFT FOR ALL AGES - the table clock wooden 3d puzzle already comes in an attractive package that will be awesome to get as a gift! Our wood model kits will always be a welcome gift and a worthy addition to any collection SUPERIOR QUALITY – our wooden model clock kit to build is made of safe, pollutant-free wood, targeting the current international demand for sustainable toys EXCITING DIY EXPERIENCE - unlike other 3d puzzles for adults and kids, our wood clock building kit requires a glueless manual drafting process that will entertain assemblers of any age Assembled Size: 9.65 x 1.77 x 8.46 inch; 4 AAA batteries required (not included)