By Saskia Rowlands TV judge Robert Rinder is backing a charity’s call to help hard-up parents as more than ever will rely on handouts to buy their children toys this Christmas. Demand for grants to cover the cost of games and books has nearly quadrupled in the past four years according to Buttle, which supports families on the breadline. It warns kids’ early learning development is being damaged because they have fewer toys and books. Rinder, 45, a Buttle ambassador, said: “Millions of young people don’t have the safety net of a family or community who can fill the gap when things get tough or…