TheHABA Rockers Balance Boardis a variable system consisting of two different rocking boards on a wooden beam, which can be used for different age groups. Two oval stepping surfaces supported on rubber elements create a sideways or diagonal tilting – rock without tipping over. Construction is so easy that children can even do it themselves. The boards can also be used with Balancing Blocks: 112000 or 111813. Simply hang them into rungs of the block platforms and you have a whole new level of obstacles with different tactile experiences. Boards are made of birch wood – Length: 7′ x 6″W x 1″thick, topped with four round wooden rock-like surfaces supported on rubber elements. The rubber ball feet in each corner of the base – 1″diameter, are slip resistant, won’t damage floors and are safe for hanging. Can be used indoors or outdoors. Weight Capacity: 243 lbs for 7′. For ages up to 12 years. Balance at different heights Non-slip, floor-friendly & secure Touch and feel with your feet For indoor or outdoor use Use lying on ground or hooked into balance stands 7’L x 4″W. Ten yr warranty. Made in Germany. *** HABA is custom produced, no cancelationsor modifications allowed.Lead time is 12-14 weeks.