NeeDoh Squeeze Ball Niceberg NeeDoh 8 cm The NeeDoh Mega Niceberg takes the popular Nice Cube experience to a whole new level! With its extra-large size, this iceberg-style sensory cube offers even more to squeeze, stretch and squish - for an incredibly satisfying feel that simply invites you to relax. The Mega Niceberg measures an impressive 8.25 cm square and with its firm structure provides an intense, stress-relieving squish experience that is not only fun but also ideal for quick relaxation in between.