Has anyone tried the SugarBooger Suction Plates?

http://www.amazon.com/dp/B00746WUEW/ref=wl_it_dp_o_pC_nS_ttl?_encoding=UTF8&colid=3N6QUGOX8RW0E&coliid=I31LQN7554VUWT&psc=1

My mom got one and they look really cute and seem to suction well. But I wondered if anyone could attest to how they hold up and if they can really withstand a toddler without winding up dumped on the floor!