Stem Lab Random Generator Mechanical Model Kit

Description:

• Condition: 100% Brand New
• Color: As picture show
• Brand: UGears
• Number of components: 160
• Estimated time for assembly: 3 hours
• Step-by step illustrated assembly instruction manual
• An octahedron is a regular polyhedron with eight faces (equilateral triangles) and six vertices
• The assembly of the model will be interesting and won’t take much time
• Wooden details pre-cut with a precise high-tech laser in high-quality plywood boards, as well as other materials required for assembly
• The models need no glue or additional instruments to build, the details come out of the board with a slight push
• The mechanism of the Random Generator is composed of: Button, Rack-and-gear drive, Overrunning clutch, Driven wheel, Three-axle gear, Cube, Internal octahedron and Weight
• Model Approximate dimensions: 173mm x 122mm x 132mm(L x W x H)

Features:

• Recommended for ages 8+ years
• Assemble it and discover the principle of working of the Random Generator
• The model kit comes with a QR-code that will forward you to the learning guide about the mechanism, the principal of its working, the main characteristics, formulas, and interesting assignments
• Dive into augmented reality and look at how the random generator works
• The Random Generator is a device that generates random numbers and provides different random results based on probability theory
• Ugears suggests an alternative to the classic coin solution that is not only elegant and fun but has an extra educational benefit
• The main element of the Random Generator’s design is a cube with an octahedron inside it that in its turn contains a metal ball to provide weight
• This construction is powered by a rack-and-gear drive initiated manually and providing energy through a driven gear that rotates a three-axle gear
• This is how the cube with all its contents begins to move, which is important for summoning the magic of randomness
• The vertices of the octahedron coincide with the sides of the cube. In this way as the energy of the system expires and it stops moving, gravity suspends the metal ball in the lowest part of the octahedron and due to the inclination of the walls it rolls within, it ends up in one of the octahedron’s vertices pulling in down
• Whichever of the vertices turns up in the bottom, the side of the cube it is attached to will be right under it and parallel to the floor. In this way, the side of the cube with the answer will be the one facing up on the opposite side
• The probability to get any of the vertices facing down is virtually the same due to symmetry of the octahedron that rotates freely around the axis of its mass. This leads us to a simple conclusion that the probability to receive one of six answers is 1/6 or 0.167
• Every side of the cube positioned by the vertex of the octahedron, has a message: one says “YES”, the other “TRY AGAIN”, etc