MaxTronic Marble Race Game (DIY building blocks) 【Delivers Hours of Active Fun and Learning】- Exciting Marble Run building blocks toy play with extra cool pieces! And Teaches logic, creative play, basic physics, fine motor and problem-solving skills for kids. 【Freely Build Towers of Different Levels】- Set up multiple entry points to create an exciting marble race with friends and family. Children can give full play to their imagination to create models. Parents can participate in the easy, medium and hard mode of the marble rollercoaster game together with their children, and they can create different marble pattern shapes according to their own preferences. 【Meet Europe Regulated Toy Safety Standards】-This light marble maze race toy set qualified CE is made of solid ABS plastic, non-toxic, smooth with no sharp edges to avoid scratching young hands and they are very strong so that they will not break or snap. What you concern about is what we care about. 【Surprise Gift for Children Aged 3-12】- Comes in a sturdy box well made perfect children birthday gift, This Educational STEM Toy is very suitable for children 3-12 years to use it as an entertainment project during parties, after school, weekends, and even all other holidays. Age Recommendation: Ages 3 year olds and up. 【Marble Run Super Set Includes】- 135 Complete durable Piece(75 durable pieces and 60 marbles)+ Free Instruction App & Full Color Instruction Manual for easier assembly.