Models CUBETRIX IDEX ( DIY Sigma BCN3D Style 3D printer ) 255 1473 37 Self powered bicycle lights systems ( Eco Bike ) 23 111 7 Bicycle claxon from an old fishing rod bite alarm bell 10 28 4 Universal Clipless Pedal And Shoes (Magnetic System) 19 42 3 CUBETRIX diy corexy 3D PRINTER 256 1799 8 Puzzle cube 21 95 2