Complex sentence: In the traditional 1/35 scale military miniature market, Tamiya's is offering clever innovations such as spring suspensioned road wheels, but these offerings are not outstanding enough to give Tamiya the clear dominance it once had in the static miniature market.
Split into simpler sentences: In the traditional 1/35 scale military miniature market, Tamiya's is offering clever innovations such as spring suspensioned road wheels. However, these offerings are not substantial or unique enough to give Tamiya the clear dominance it once had in the static miniature market.