Plastic spoon, wipes anything safe he can get his hands on rarely take specific toys 🤣
Spinners with suction cup to stick
Books (That's not my... are always good), poppet things (good for chewing on and messing with but make sure they are good ones as can be a choking hazard if one of the pop bits came out), fidget toys appropriate for babies, spinners that you can suction to the highchair
Fidget spinners with suction x
Baby Einstein do some awesome sensory toys you can easily stick on highchair trays! Xx