Saturday night, dim the lights. Open the bluetooth speaker and start the playlist. Lay back on the couch, grab the Space PCB Mini-puzzle and turn the switch ON. You are in for a treat with this plastic puzzle with electronic components. Use your finger to turn the planets around and arrive at your destination. Watch out, the black hole might screw your plan over; use it to your advantage! Space PCB is a mini-puzzle that has 3 difficulty levels EASY-MODERATE-HARD that takes about 120 minutes to complete. The puzzle solutions are completely random and replayability is amazing. Have fun ! Size : 220mmX220mmX100mm 8.5''X8.5''X4 '' 2XAAA Batteries (included) Battery life : About 16 hours