Edushape Marbulous Marble Run Set - Marbles for Kids, Marble Maze - Child and Cognitive Development Marble Run for Kids Ages 4-8 - STEM Educational Toys Description An action-packed marble track set loaded with plenty of marbles and track for virtually endless combinations and fun. These colorful high quality plastic tracks are easy to assemble and can be fit in multiple different ways and hold together firmly. With 80 pieces, kids can build almost endless combinations helping develop logic and reasoning and hand eye coordination. Once the build is complete, load the marbles and watch them twist, turn, and roll down the track. Set includes 80 pieces plus 20 marbles. Recommended for ages 4 years and up. Features: STEM FOCUSED PLAY: Build logic and reasoning skills through stacking, connecting, and building which are the foundation to the world of STEM. TEACH CAUSE & EFFECT: Boost your baby's cognitive skills by teaching them cause & effect. Build logic and reasoning skills during play. QUALITY MATERIALS & EASY GRIP: Edushape marble run toys are made of quality materials & are just the right size for baby's little hands to grip! PERFECT GIFT: This set is packaged in easy-to-wrap packaging and makes a wonderful gift for children, perfect for any occasion including baby showers, birthdays, Christmas, Easter and more. WHAT'S INSIDE: Set includes 80 foundational structural pieces + 20 marbles and sturdy setups with detailed illustrated step-by-step instructions for various ability levels. Recommended for kids aged 4 years and up. Product Details: Size: 100 Brand: Edushape Material: Plastic Age Range (Description): Baby Item Dimensions LxWxH: 2.75 x 12 x 10 inches Product Dimensions: ‎2.75 x 12 x 10 inches Item model number: ‎805802 Is Discontinued By Manufacturer: ‎No Target gender: ‎Unisex Material Type: ‎Plastic Number Of Items: ‎1 Style: ‎Maze Batteries required: ‎No Item Weight: ‎0.48 ounces Country/Region of origin: ‎USA