Experience the multisensory delight of seeing, hearing, touching, and playing with these fun, lightweight blocks expertly designed with grooves for stacking to impressive heights. Enjoy the satisfying sounds they produce as they topple over one another. Whether arranged right side up or upside down, these blocks effortlessly stack into both simple and intricate forms, offering valuable learning experiences to understand structure creation and support. Enhance exploration by overlapping various colours to learn colour-mixing concepts that add an extra layer of discovery. Ages 3+. WARNING: Choking Hazard - Small parts. 7-4/5" x 5-1/5" x 5-1/5". Assorted Colours. 50/pkg.