DIY Marble Run: COG Coaster Rattles & Teethers A rotary knob that is

A rotary knob that is used to enter the password to open the box

It only takes a few minutes to explain and then only takes 10-15 minutes to play the whole game

Toss around on the sand or in the water

visual and auditory feedback: rough

Requires keen observation

DIY Marble Run: COG Coaster Rattles & Teethers A rotary knob that isMarble Run Make your own Marble Run with this awesome kit! Great activity for both children and adults. Improves motor, cognitive, and emotional skills. DIY Assembly wooden puzzles No tools or glue necessary. Use for educational purposes, as collectibles, and or decorations Laser cut wood Assembled Size: 254 x 232 x 165 mm. Package Size: 317 x 233 x 46 mm. Puzzle Pieces: 233 pcs.