Models CUBETRIX IDEX ( DIY Sigma BCN3D Style 3D printer ) 242 1341 36 Self powered bicycle lights systems ( Eco Bike ) 23 90 7 Bicycle claxon from an old fishing rod bite alarm bell 10 22 4 Universal Clipless Pedal And Shoes (Magnetic System) 19 33 3 CUBETRIX diy corexy 3D PRINTER 247 1718 8 Puzzle cube 21 84 2