VALUABLE SET - Our 15mm marbles are in bulk, 3 different colours in the package, can perfectly fit in kids hands. Suitable for multi-player competitions. PACKAGE INCLUDED - Approx. 450g Colourful Glass Marbles (56-62PCS in each package) VARIOUS APPLICATIONS - Our assorted glass marbles are perfect for different marble games such as Marble Run, Traditional Marble Game, etc. Can effectively improve kids eye to hand coordination and enhance their fine motor skills. Also suitable as home, garden, fish tank decorations and Chinese checkers. PREMIUM QUALITY - Our assorted marbles are made from high-grade glass, firm and sturdy, smooth with a nice finish, durable and high-strength, designed for long-time use. VARIOUS STYLE - Our glass marbles have multiple colors, birght and vivid, lustrous and shiny. Great for playing and decorating.