Additional Details ------------------------------ Product description: Here is the most amazing marble based DIY racing game! Racing meets basic learnings of physics such as gravity, momentum, and angle of deflection in this STEM toy. Race your opponent using 4 different cars available in this game. Just flick the marble and watch your cars being hauled to the finish line, but be careful of landing on the bomb which will cause you to retreat back to the start! Accurate control is provided with the cleverly designed bounce plates helping you to target marbles into the racing lanes. This dynamic game also has 2 different gameplay modes that change the speed. The children learn and understand the physical aspects of collisions and momentum while enjoying the thrill of racing.