?????122pcs Marble Run Toy- Endless Possibilities?Meland Marble run set(Updated version ) including 102 translucent building pieces and 20glass marbles(From April 25th,2019 on, If you get the original version that don't have 20pcs glass marbles please contact seller firstly, we will offer you best solutions in time. All marble building parts are interchangeable so kids can create infinite models. Brochure can guide toddlers step by step to build so little kids can build whatever their skill level. ?????Sparks Creativity, Promotes Patience&Develops Self-confidence?Loads of marble toy kits and ways of building perfect for Improving Hand-eye Coordination, Problem-solving Skills. Out of TV and electronics, toddlers will feel proud and accomplished with what they have done which promotes a healthy sense of self-confidence. ?????Ensure Kids' Safety and Free up Parents Time.?Made of Non-toxic ABS material, BPA-Safe, Lead-Safe and Phthalates-Safe, marble track are ASTM certified and CPSIA compliant which is safe for kids. Smooth edges avoid scratching hands. Keeps children entertained for hours and frees up parents' time. ?????Taller and Bigger Marble Run Cultivate Parent-Child Relationship? With an unisex neutral color tones, our marble race toys are designed to meet each stage of a boys' and girls' development(Age 4+) and encourage stem learning through play. Parents build it with little builders can make your relationship more intimate. ?????See-Through Translucent Marble Pieces?Meland marble run toy are translucent so that children can see the marble as it goes from the top of the set to the bottom. Coming with 8 marble tower bases allow kids to build bigger and sturdier marble runs. Nice Gifts and Building Products for Boys & Girls age 3 4 5 6 7 8 9 10 11 12 Year Old.