UGears Marble Run Stepped Hoist - Wooden Mechanical Model

The model has a 3-stage alternating lift that hands the marbles back and forth as they climb to the top to embark on their amusement park adventures. Which marble will take which track, and which will make it down first? The Marble Run Stepped Hoist features a 3-marble accumulator in which the third ball opens the gates for the trapped first and second marbles, sending all three along their divergent paths The Ugears line of marble runs to be modular, that is, each model works as a standalone, or it can be connected frontally or laterally to other Ugears marble runs of the same or different design (2 or 4 models can be connected, in pairs, using the special connectors included in the kit). Model Size: 11.6 x 10.6 x 10.8 in Package size: 14.9 x 6.7 x 1.3 in Number of parts: 355 Level: Hard Assembly Time: 8 hours Recommended Age: 14+ Kit weight: 2.28 lbs Please look carefully pieces may be missing. Sold As Is. One piece was glued back together using wood glue.