1) do you have the newtons cradle with a black base instead of the brown ?
2) do you have ny other types of conservation of momentum desk toys ?
Thanks. - Asked by bwn2pwn
21 May 11:21
Hi. I only hae it with the brown base - it's more like a dark maroon colour than brown. I don't really have other desk 'toys', but the memo clips are quite cute:
22 May 12:05