Wall mounted ball run. This would be great for kids who are too young for the marble runs. Could be used as a music installation if there are movable obstructions in the pipe that make sound when a ball touches them
P'kolino Little Modern Children's Table with reversible top and built in storage compartment. This toddler table has reversible chalk table top (to quickly hide any mess) and two ergonomic child chairs. Playfully stylish design fits bedroom, playroom or
PVC Sprinkler Water Toy - how smart is this? 10 bucks worth of materials from the hardware store will bring lots of joy this summer. :) TWIST use a couple of pipes and plastic streamers as well, call it a "car wash" and ride bikes through it.