The Funnel Slide Track Building Blocks brings speed and play fun into your child's room. Build infinite variations, from simple structures to complex tracks! The interlocking track segments can be endlessly combined for long-lasting fun. The Funnel Slide Track Building Blocks never gets boring and can be creatively constructed again and again. It helps sharpen motor skills, develop logical thought, and hone creativity.

Ideal Educational Toy Gift: Track Building Blocks for kids both boys and girls ages 3 and up; Enjoy building various tracks and see marbles go up, down, all around, and fast!

Easy Assemble & Intellectual Development: Various games to play, it can develop hand-eye coordination, logical thinking, creativity, color and shape recognition, spatial imagination ability, patient and problem-solving skills

Safe And Durable: It is made from High-Quality ABS Material. Passed US ASTM 963 Safety Certificate, Absolutely Non Toxic! Make it safe for a child to DIY with smooth hand-feeling. 

Does not contain a Fluorescent agent challenge And Amuse: It is an interactive game, kids can play with parents or friends. The process of building these block together can enhance the feelings among them and help them to get a wonderful memory together.

Complete Accessories Kit: the Deluxe set of 52 pcs, 104 pcs, 156 pcs or 208 pcs random color, create your own maze model by using your imagination, and watch the marbles race through the track

Compatibility: Can be used with Duplo building blocks RECOMMENDED AGE: 3+ to 10 years old