Music Puzzle for Real Life Adventure Game, Laser Harp Prop, Door Opening Mechanism

Amazing Escape Room Prop Music Puzzle How to use this green laser music prop-- Power up this music game prop , the lock is closed tightly. Block the laser beams, there will be “do-re-mi-fa-so-la-ti”(depending on the option you choose to buy) 3 lasers: do re mi 4 lasers: do re mi fa 5 lasers: do re mi fa so 6 lasers: do re mi fa so la 7 lasers: do re mi fa so la ti If players played the correct music by blocking the laser beams, lock will open. This handmade game puzzle includes:power adapter, controller, laser senders, laser sensors and speaker. Notes: This laser harp puzzle can also be used for party games-- EM Lock is not included in the package, please purchase it separately in our store if needed.          There are two kinds of locks :          60kg force for drawers and small doors         130kg force for big doors.