$20.99 (was $39.99) Discovery Kids Remote Control T-Rex This post contains affiliate links. Please read our disclosure policy for more information. Prices are subject to change. Please verify price prior to ordering. November 12, 2017 by Holiday Helper If your kiddos like dinos, check this out. Groupon is offering this Discovery Kids Remote Control T-Rex for $20.99 (was $39.99). They also have a Triceratops, or Tarantula for $19.99. CLICK HERE TO GET THIS DEAL!