20 Minute Timer
20 Minute Timer, by UGears
Ukrainian Gears Timer is a mechanical 3D puzzle, a self-assembly model with no glue or any special tools (the parts are finished and can be simply removed from the board). To be assembled according to the manual.
Features a 20-minute timer with an alarm bell. Upon completion, lift the lever and set the timer for the desired time. Rotate the hand and lower the lever to start the countdown. Both the second and minute hands operate. Force is transmitted from an ordinary rubber band. The model contains a unique roller pendulum and a uniform motion self-adjustment system.
Full Instructions included.
Product Dimensions 95.2 x 43.2 x 7.6 cm