BathBlocks Floating Castle Set in Gift Box Bath Blocks bring classic block play into a fun, fascinating, new, watery environment The bath tub is the perfect place to create floating towns, bridges, towers and more The "sticky" viscosity of water (plus soap suds or shampoo suds) creates a cling between blocks and smooth, polished wall surfaces The movement, buoyancy and flow of water add an engaging twist to classic block play Bath Blocks empower children to create their vision as they experiment with geometry, addition, subtraction, multiplication, division, balance, structure and cause-effect