BathBlocks Floating Airport Set in Gift Box BathBlocks bring classic block play into a fun, fascinating, new, watery environment The bath tub is the perfect place to create floating airports, 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 BathBlocks empower children to create their vision as they experiment with geometry, addition, subtraction, multiplication, division, balance, structure and cause-effect